Answers created by georgef

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• How do you test for convergence for ?
  
• How do you find the critical numbers for `f(x) = x + 2sinx` to determine the maximum and minimum?
  
• `lim x->o (tan( x/3)/x)` ???
  
• What is the discriminant of `2x^2 = 4x - 7` and what does that mean?
  
• The equation and graph of a polynomial are shown below the graph reaches it's maximum when the value of x is 3 what is the y value of this maximum y=-x^2+6x-7?
  
• How do you solve using the completing the square method `9(x^2) - 18x = -3`?
  
• How do you solve the following system: `x-5y=-9, y = 3x – 12`?
  
• 20 people shake hands with each other. How many handshakes will be there in total?
  
• How do you find a standard form equation for the line with slope 2/3 that passes through the point (3,6)?
  
• How do you find the limit of `(1/(h+2)^2 - 1/4) / h` as h approaches 0?
  
• Can you Find the limit of the sequence or determine that the limit does not exist for the sequence {n^4/(n^5+1)}?
  
• How do you find the limit of `abs(8x-56)/ (x-7)` as `x->7^-`?
  
• Prove using the `epsilon-delta` method that `lim_(n->oo)= (2n)/(n^2+1) = 0` ?
  
• Question #6b72f
  
• If the limit of f(x) as x tends to a = L and the limit of g(x) as x tends to a =M Proof that, lim[f(x)-g(x)] as x tends to a = L-M?
  
• How do you describe the interval(s) on which the function is continuous, using interval notation?
  
• If `sqrt(sinx) + cosx = 0`, the what is the value of `sinx`?
  
• How do you prove the following?
  
• Question #66b69
  
• How do you find a fourth degree polynomial given roots `2i` and `4-i`?
  
• Question #931d4
  
• How do you find the reciprocal of `2 3/4`?
  
• How do you write `root3(b^2)` as an exponential expression?
  
• How do you find a fraction between `1/2 and 4/5?`
  
• Question #a5432
  
• How to solve this? We have the ring `(ZZ_8,+,*)`Demonstrate that the invertible elements of this ring are:`hat1,hat3,hat5,hat7`.
  
• Question #96ca4
  
• How do you find the two positive real numbers whose sum is 40 and whose product is a maximum?
  
• How do you differentiate `y=(e^(2x)+1)^3`?
  
• How do you use the commutative and the associative laws to find three equivalent expressions (p +q) +60?
  
• How do you find two fractions between 2 and 3?
  
• How do you find two consecutive whole numbers that `sqrt97` lies between?
  
• How do you find the limit of `R(x) = (x - 1)/(x² - 1)` as x approaches `-1`?
  
• How do you complete the pattern with the next two numbers. 10, 15, 21, 28,?
  
• How do you find `abs(3+4i)`?
  
• How do you find the sum of the infinite geometric series given `a_1=14`, r=7/3?
  
• How do you find the sum of the series `1` from i=1 to 42?
  
• How do you determine if `2 sin x cos x` is an even or odd function?
  
• How do you find the equation of the circle given center:(0,0) radius: 2 square root of 7?
  
• How do you find the sum of the first 1000 positive even integers?
  
• What number is 38% of 60?
  
• Question #91ebb
  
• Question #f8d03
  
• How do you find the product of `10/(r-2)*(r^2-4)/2`?
  
• Is 0.354355435554 rational or irrational or integer?
  
• The sum of two numbers is 82. Their difference is 24. How do you write a system of equations that describes this situation and solve by elimination to find the two numbers?
  
• How do you find the value of the discriminant and determine the nature of the roots `8x^2 – 2x – 18 = -15`?
  
• How do you solve `|x| <3`?
  
• How do you find another point on each line using slope and point given m=2/5; passes through (1,-4)?
  
• How do you write `f(x) = 3 - |2x + 3|` as piecewise functions?
  
• Is x-3 a factor of `x^3-6x^2-x+30`?
  
• How do you solve `2x – 8y = 8` and `-x + 4y = 4`?
  
• How do you write the equation for a circle with center (-3, -5) and radius 4?
  
• How do you solve `3x^2+27x=108`?
  
• How do you graph `2x-6y=6` using intercepts?
  
• What is the equation of the line passing through `(3,-5)` and `(42,1)`?
  
• How do you find the derivative of `f(x)=ln (x^2+2)`?
  
• How do you find and classify all the critical points and then use the second derivative to check your results given `h(t)=-4.9t^2+39.2t+2`?
  
• What does it mean about a point if the tangent line has a slope of 0?
  
• How do you find the equation of a line tangent to `y=4/x` at (2,2)?
  
• How do you evaluate the limit `(x^2-x-6)/(x+2)` as x approaches `oo`?
  
• How do you evaluate `sec(-pi)`?
  
• How do you find the equation of a line given the point and slope (0, 0) m = 2?
  
• How do you factor and solve `6x^2 - 5x = 6`?
  
• How do you graph `y <2x - 1`?
  
• How do you find the domain and range for `y=x^2`?
  
• What is `f(-4)` when `f(x)=-x^2-2x`?
  
• What is the distance between `(–2, 2, 6)` and `(–1, 1, 3)`?
  
• How do you order the following from least to greatest without a calculator `8.1 times 10^3, 2.1times10^5, 7.25times10^3, 1.05times10^4, 1.75times10^4`?
  
• How do you find the square root of 1/121?
  
• How do solve the following linear system?: `-4x-15y=-1 , -3x+7y=-1`?
  
• How do you solve `(x - 9)^2 = 1`?
  
• If `f(x) = 3x+2`, what if `f(5)`?
  
• What is the inverse of `h(x) = 5x + 2`?
  
• If `f(x) = 2x^2 + 5` and `g(x) = 3x + a`, how do you find a so that the graph of (f o g)(x) crosses the y-axis at 23?
  
• For the function y=3x+2, how do you find the y-intercept?
  
• How do you solve using the completing the square method `(x-9)^2=1`?
  
• How do you simplify `5/6-2/3`?
  
• How do you evaluate `5/6+7/9`?
  
• How do you solve `(x-5)^2=9`?
  
• How do you graph the line `y = 3x + 1`?
  
• How do you solve and write the following in interval notation: `|x| <3`?
  
• How do you solve `abs(x+5)=4`?
  
• Question #88f84
  
• How do you find the equation of a circle with centre (5,4) and just touches the x-axis?
  
• How do you solve the following system: `2x+7y=1, x+3y=-2`?
  
• How does `0.99999....=1`?
  
• How do you evaluate `4/9+ 1 7/9`?
  
• How do you evaluate `4 2/7 - 1/6`?
  
• How do you simplify `3 1/6 + 4 1/4`?
  
• How do you solve `(x-5)^2=4`?
  
• How do you use the limit definition of the derivative to find the derivative of `f(x)=4x^2`?
  
• Question #4c07a
  
• Is `f(x) =sinx-x^2` concave or convex at `x=pi/3`?
  
• Question #db8e2
  
• Given `sin x/ x^2` how do you find the limit as x approaches 0?
  
• What is the derivative of `e^(-x)`?
  
• How do you find all critical point and determine the min, max and inflection given `D(r)=-r^2-2r+8`?
  
• How do you find the midpoint of A is (0,0) and point B is (12,6)?
  
• How many ways can the letters P Q C N Z be arranged to make a password?
  
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