Question

f (×)=2×-1 g (×)=3×^2-3× find f (-4) and g (-2)

Answer 1

Find f(-4)
f(x) = 2x - 1
f(-4) = 2(-4) - 1
f(-4) = -8 - 1
f(-4) = -9

Find g(-2)
g(x) = 3x² - 3x
g(-2) = 3(-2)² - 3(-2)
g(-2) = 12 + 6
g(-2) = 18