Could someone answer and explain these to me? that would be great, !

These are two questions and two answers.

Question 1. When y = x², which of the following expressions is equivalent to - y?

the option G. -x².

Explanation:

The important thing is to be careful with the use of the negative sign before the function because a typical mistake is to incorporate the negative sign inside the parentheses, which yields to square it resulting, mistakenly, in a positive value.

The correct steps are:

So, the answer is the option G.

Question 2. For the function h(x) = 4x² - 5x, what is the value of h(-3)?

option D. 51

Explanation:

Since, you have the explicit function h(x), to find h(-3), you just must subsititute the variable x with -3.

This is how you do it:

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step-by-step explanation:

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