Question

dado f(x)=4.x2+12, calcule f(0)= f(-4)=

Answer 1

f(x) = 4 . x² + 12

f(0) = 4 . 0² + 12

f(0) = 4 . 0 + 12

f(0) = 0 + 12

f(0) = 12

f(-4) = 4 . (-4)² + 12

f(-4) = 4 . 16 + 12

f(-4) = 64 + 12

f(-4) = 76