how do you solve (−1+2i)(−2+3i)

how do you solve (−1+2i)(−2+3i)

Let f(x)= x2. Write the equation for the final transformed graph if the following transformations are applied to f: stretch vertically by a factor of 2; shift downward by 5 units; shift right...

I need all the values that will make the polynomial a perfect square trinomial, preferably listed in the correct order.

g(x) = 1/x from x = 1 to x = h.

List any vertical asymptotes of f(x), and explain, using limits, why each is a vertical asymptote. List any horizontal asymptotes of f(x), and explain, using limits, why each is a vertical...

A function is given. f(z) = 3 − 4z2; z = −2, z = 0 (a) Determine the net change between the given values of the variable. (b) Determine the average rate of change between the...

Please help on this question. I have such a hard time at finding the y intercept for the equation

I'm having a very tough time solving this. I need the gfc yanked out and it put into that form, but I don't want it completely distributed and solved down.

g(x) = √x _______ 4x2 + 3x − 1

f(x) = 4x2 + 5 f(x + 2) = f(x) + f(2) =

k(x) = −x2 − 5x + 6 A.) k(√5) B.) k(a + 5) C.) k(−x) D.) k(x2)

In Routine #2, he burns 38 calories walking. He then runs at a rate that burns 8.25 calories per minute. For what amounts of time spent running will Routine #1 burn at most as many calories as Routine...

x,y,z ∈ ℝ3 and x+y+3z=0 How do I prove ax+by+cz=dx+ey, if d and e are real numbers chosen to fit the equation? Thank you very much if...

I have no idea how to do these problems. quick answer needed ASAP

HELP ME THIS IS SO HARD THANK YOU

Eight times a number is 20 more than four times that number

A function is given. 6 f(t) = ___ ; t = a, t = a + h t (a) Determine the...

2. Find the domain of the following function, and give the answer in interval notation: √x h(x)= ________ ...

1. Printing Cost: The cost C of printing a magazine is jointly proportional to the number of pages p in the magazine and the number of magazine m printed. a) Write an equation that expresses...

A hotel chain charges $75 each night for the first two nights and $50 for each additional night’s stay. The total cost function T is a function of the number of nights x that a guest stays. Write...