solve the function

Question

(fx)=3√x+1    find f(-9)

Answer 1

Cube root means: what number multiplied by itself 3 times, will give you the number under the radical.

In this case, you start with the cube root of (-8) after you plug in (-2) into the original equation.

The cube root of (-8) = -2

To check your answer: multiply -2 times itself 3 times.

(-2) (-2) = 4

4 (-2) = -8

Answer 2

f(-9) = ^3√(-9 +1) = ^3√(-8) = -2

Answer 3

the answer is either 9i +1 or 3x(81/2 )i