Question

Hey, could someone help me with this? If you could that would be great!

It's a 3 part question, this is the first part.
The quadratic function is f(x) = x^2 - 7.

I would like help on the third question...

Answer 1

The correct answer should be C.

Explanation:

A. is equal to x² -5.291503x +7

B. is equal to x² +5.291503x +7

C. is equal to x²2 -7

C. is the only one with a negative 7 since (-)(+)= -