Question

If the equation of a function is y = x2 - 5, what is the output when the input is -1?

Answer 1

y = - 4

Explanation:

The output is the value of y for a given input x

For an input of - 1, substitute x = - 1 into the equation.

y = (- 1)² - 5 = 1 - 5 = - 4 ← output