Answers created by Ratnesh Bhosale

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• If F:R>R and g:R>R defined by f(x)=2x+1 and g(x)=2^x find the equation for (gof) and (fog)?
  
• How do you find the derivative of `z=(2+3x)^4`?
  
• How to differentiate x=2^t sint ?
  
• How do you simplify `sqrt (3x) * (6)`?
  
• For the graph `y=4x - 2`, in which quadrant does the graph not exist?
  
• 29 is what percent of 58?
  
• Check my work? which statement is true?
  
• Differentiate root 1+tanx/1-tanx?
  
• How do you evaluate the definite integral `int (u-2)/sqrtu` from [1,4]?
  
• How do you graph, find the intercepts and state the domain and range of `f(x)=2-2^x`?
  
• How do you solve and graph the solution of `11<=p+4`?
  
• How do you find the zeros of the polynomial function `f(x) = x^3 + x^2 -42x`?
  
• How do you solve `5^x=52`?
  
• What is the C oxidation state, O oxidation state, and the H oxidation state?
  
• How do you graph the inequality `x<4`?
  
• how to find all values of x for which the tangent to y=x-(1/x) is parallel to the line 2x-y=5?
  
• How do you graph `y+x=3`?
  
• What group is sodium in?
  
• What is the derivative of this function `arcsin(x^2)`?
  
• A triangle has corners at `(3 ,8 )`, `(5 ,9 )`, and `(8 ,5 )`. What is the area of the triangle's circumscribed circle?
  
• How do you solve `9/c^2-1/4c=2/c`?
  
• How do you integrate ? 1/(x^2+9)^(1/2)
  
• A block of silver displaces 200ml of water in a measuring cylinder. If the density of the silver is 10300 kg/metrecube. Find the mass of the block?
  
• What are some common mistakes students make with velocity?
  
• What are the extrema of `g(x) = 2 sin(2x - pi) + 4` on `[-pi/2,pi/2]`?
  
• N2+3H2 gives 2NH3.what is the equivalent mass of nitrogen in NH3?
  
• For what values of x is `f(x)=(x-3)(x+2)(x-1)` concave or convex?
  
• How to prove `sin(theta+phi)/cos(theta-phi)=(tantheta+tanphi)/(1+tanthetatanphi)`?
  
• The period of a 10 Hz wave is ?
  
• An object weighs `32` `N`. What is its mass if a gravitometer indicates that `g = 8.25` `m``/sec^2`?
  
• How do you prove `sin (2x) = 2sin(x)cos(x)` using other trigonometric identities?
  
• How do you multiply `(12-2i)(3-2i)` in trigonometric form?
  
• What is the concentration of H+ in a 0.121 M HCl solution?
  
• The base of a triangular pyramid is a triangle with corners at `(7 ,3 )`, `(4 ,1 )`, and `(3 ,2 )`. If the pyramid has a height of `7`, what is the pyramid's volume?
  
• How do you find the important parts of the equation to graph the function `y = -2/x`?
  
• What is the 4th term in expansion of (1-5x)^3?
  
• Which has more momentum, a `8kg` object moving at `4m/s` or a `7kg` object moving at `5m/s`?
  
• What is the major gas in the atmosphere?
  
• How do you find the slope and y-intercept for the graph of the equation: 12x - 4y = 96?
  
• How do you find the area of the region under the curve `y=4x^-2` from x=1, to `x=oo`?
  
• How do you solve the system `4x=3y+31` and `y=2x+7` by substitution?
  
• How do you use partial fraction decomposition to decompose the fraction to integrate `(2x-82)/(x^2+2x-48)`?
  
• Points (–9, 2) and (–5, 6) are endpoints of the diameter of a circle What is the length of the diameter? What is the center point C of the circle? Given the point C you found in part (b), state the point symmetric to C about the x-axis
  
• How do you evaluate `13- 3+ ( 24\div 4) ^ { 2}`?
  
• Question #8c22e
  
• Question #2537e
  
• How do you find the slope of the line parallel and perpendicular to `y=-3x+5`?
  
• How many mL of 0.655 M phosphoric acid solution are required to neutralize 15 mL of 1.284 M `NaOH` solution?
  
• Question #9579e
  
• How do you graph `y=x^2-2x-8`?
  
• A projectile is launched at an angle of 30 to the horizontal with a speed of 30 m/s. How does the horizontal component of its velocity 1.0 s after launch compare with its horizontal component of velocity 2.0 s after launch?
  
• What is the domain of `(-2x^2-2x+1)/(x^2+x)`?
  
• The force applied against a moving object travelling on a linear path is given by `F(x)=2x+xe^x`. How much work would it take to move the object over `x in [1,2 ]`?
  
• If a projectile is shot at a velocity of `8 m/s` and an angle of `pi/3`, how far will the projectile travel before landing?
  
• How do you find the domain of `sqrt(x+7 )`?
  
• Question #f34a5
  
• How do you multiply `(-1+2i)(3+2i)` in trigonometric form?
  
• How do you graph `y=1/2tan(1/2x+pi/4)`?
  
• If a `6 kg` object moving at `1 m/s` slows down to a halt after moving `3 m`, what is the coefficient of kinetic friction of the surface that the object was moving over?
  
• How do you graph two complete cycles of `y=-3cos(3/4t)`?
  
• How do you multiply and simplify `\frac { 5x ^ { 2} + 5x + 1} { 3x - 6} \cdot \frac { 2- x } { 4x ^ { 2} + 4x + 1}`?
  
• Question #6eb87
  
• Question #10e48
  
• Question #087f1
  
• Question #f4e73
  
• A charge of `-2 C` is at `(4, -5)` and a charge of `1 C` is at `(-3 , -9 )`. If both coordinates are in meters, what is the force between the charges?
  
• If acceleration is increasing at the constant rate of `2 m/s^2`. Find the distance travelled in `5 sec`? If initial velocity and acceleration both were zero. (A) `75m` (B) `100m` (C) `125/3 m`
  
• Question #c3a08
  
• If `h(5-2x) = sqrt(x^2+3x+5)` for all real number `x`, what is the value of `h(3)`?
  
• Question #7174a
  
• How do you determine the number of ways a computer can randomly generate an prime integer from 1 through 12?
  
• A gas is held at 3.8 atm and 500 K. If the pressure is then decreased to 1.2 atm, what will the new temperature be?
  
• How do you add `(-4+3i)+(-1+i)` in trigonometric form?
  
• How do you write the equation of a line with slope -1 and y-intercept 0?
  
• How do you evaluate `12- |5\cdot 2|`?
  
• How do you solve `\frac { m - 27} { 6} - \frac { 6m - 17} { 5} = 2`?
  
• What is the digit in the tenths place and the digit in the hundredths place in 86.12?
  
• How do you graph `2x+4y=-8` using intercepts?
  
• How do you subtract `\frac { u - 8} { u + 1} - \frac { ( - 7u + 4) } { u + 1}`?
  
• How do you divide `2\frac { 1} { 5} \div 3\frac { 1} { 2}`?
  
• How do you find a standard form equation for the line with slope -3 that contains the point (6,8)?
  
• How do you evaluate `58.3 times .13`?
  
• Question #353c0
  
• Is the fraction `3/8` in lowest terms?
  
• How do you solve `-6.1= p + 2.2`?
  
• What is the axis of symmetry and vertex for the graph `y=x^2+5x-7`?
  
• Question #caee1
  
• Question #da9aa
  
• What values of `x` are not in the domain of the expression `(x+5)/(3x^2+23x-36)`?
  
• How do you solve the system of equations `-7x - y = 23` and `7x + 2y = - 18`?
  
• How do you write the first five terms of the sequence `a_n=(n!)/n`?
  
• Question #05dd5
  
• How do you simplify `(- 2x ^ { 3} ) ^ { 3} \cdot x ^ { 4} \cdot - x`?
  
• How do you graph `y=-cot(2x+pi/2)`?
  
• How do you sketch a right triangle corresponding to `costheta=5/7` and find the third side, then find the other five trigonometric functions?
  
• How do you graph `y=tan(x-90)`?
  
• The sum of the digits of a two-digit number is 11. The tens digit is one less than three times the ones digit. What is the original number?
  
• Question #b65b9
  
• What is the amplitude of a wave?
  
• Question #142e0
  
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