Answers created by Matt M.

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The position vector of A has the Cartesian coordinates (20,30,50). The position vector of B has the Cartesian coordinates (10,40,90). What are the coordinates of the position vector of A+B?
How do you find the domain and range of $f (x) = x^{2} + 5$ $f(x) = x^2 + 5$ ?
What is the equation of the normal line of $f (x) = - 4 x - 10$ $f(x)=-4x-10$ at $x = - 2$ $x=-2$ ?
How do you differentiate $- \frac{1}{{(r - 2)}^{2}}$ $-1/(r-2)^2$ ?
How do you evaluate ${(1 + \frac{a}{x})}^{x}$ $(1+a/x)^x$ as x approaches infinity?
How do you determine if $f (x) = \frac{x^{3} - x}{x^{3} - 4 x}$ $f(x) = (x^3 - x)/(x^3 - 4x)$ is an even or odd function?
Question #109a1
How do you differentiate $\frac{4 x - 2}{x^{2} + 1}$ $(4x − 2) / (x^2 + 1)$ ?
How do you differentiate $f (x) = (e^{x} + x) (x^{2} - x)$ $f(x)=(e^x+x)(x^2-x)$ using the product rule?
How do you differentiate $y = ln (5 x)$ $y = Ln(5x)$ ?
How do you find the roots, real and imaginary, of $y = 2 x^{2} - 2 x - 1$ $y= 2x^2 - 2x -1$ using the quadratic formula?
What is the arclength of $(t - t^{3}, t + 1)$ $(t-t^3,t+1)$ on $t \in [- 2, 4]$ $t in [-2,4]$ ?
How do you simplify ${(- m^{2} n^{4} \times - m n^{- 2})}^{5}$ $(-m^2n^4 times -mn^-2)^5$ ?
How do you graph $y = 0$ $y=0$ using the intercepts?
How do you solve $2 (13 t - 15) + 3 (t - 19) = 0$ $2(13t-15)+3(t-19)=0$ ?
How do you simplify $5 \frac{2^{3} + 4}{\sqrt{36}} \times 7$ $5(2^3+4)/sqrt 36 times 7$ using PEMDAS?
For what values of x, if any, does $f (x) = \frac{1}{(x - 2) (x + 2) (e^{x} - 1)}$ $f(x) = 1/((x-2)(x+2)(e^x-1))$ have vertical asymptotes?