I have five questions I desperately need help with, please.

Question

anonymous · Answer

Find the first three output values of the fractal-generating function f(z) = z^2 − 1 + 2i. Use z = 0 as the first input value.

 Simplify squareroot of -500 using the imaginary number i.

 Graph y = −1/3x^2 − 2x − 4. Label the vertex and axis of symmetry.

 Randex Manufacturing estimates that its weekly profit, P, in hundreds of dollars, can be approximated by the formula P = −2x^2 + 4x + 2 where x is the number of units produced per week, in thousands.
a. How many units should the company produce per week to earn the maximum profit?
b. Find the maximum weekly profit.

 Write 1 − squareroot of -16 in the form a + bi.

anonymous · Answer

@Hero  Can you by chance? I've been trying to get help all day.

anonymous · Answer

I'm going to sleep. If anyone helps, thanks.

kc_kennylau · Answer

so you slept?

unklerhaukus · Answer

$$ f(z) = z^2 − 1 + 2i$$
$$ f(0) = (0)^2 − 1 + 2i=$$$$ f(1) = (1)^2 − 1 + 2i=$$$$ f(2) = (2)^2 − 1 + 2i=$$

anonymous · Answer

I did have to sleep, yes. It was extremely late.

kc_kennylau · Answer

ic