Question

na função f (x)=2x^2+5, calcule
a)f (0) =
b) f (-1) =

Answer 1

f(x) = 2x² + 5

a)
f(0)= 2*0² + 5
f(0) = 5

b)
f(-1) = 2*(-1)² + 5
f(-1) = 2 * 1 + 5
f(-1) = 2 + 5
f(-1) = 7