Question

Evaluate the function. f(x) = -x² - 10 Find f(-4)

Answer 1

f(x) = -x² - 10

To find f(-4), simply substitute x=-4 into the function

That is;

f(-4) = - (-4)² - 10

= -(16) - 10

=-16 - 10

= - 26

Hence, f(-4) = -26