Question

Find f(-2) for f(x) = 2x3x

Answer 1

The answer is 24

Explanation:

You would get this by plugging in -2 for X

2(-2)3(-2)

Then with PEMDA do parenthesis first

So (-4)(-6)

Then multiply the final together and you would get..

24

This is because two negatives equal a positive when multiplying.

Answer 2

32

Explanation:

Use the given functions to set up and simplify f (− 2 ) .

First,

Write the problem as a mathematical expression

Then,

Replace the variable x with − 2 in the expression.