Question

F(x) = 12x² - 81, find f(0).

Answer 1

f(0) = 12(0) - 81 = -81

Answer 2

f(0) = - 81

Explanation:

f(0) means what is the value of f(x) when x = 0

substitute x = 0 into f(x)

f(0) = 12(0)² - 81 = 12(0) - 81 = 0 - 81 = - 81