Question

dadas as funçao f(x)= x^{2} -1 e g(x)=2x+3 o valor de f(-2)+G(1) É?
A)0
B)8
c)6
D)10
E)-8

Answer 1

f(-2) = (-2)² - 1
f(-2) = 4 - 1
f(-2) = 3

g(1)= 2*1 + 3
g(1) = 2 + 3
g(1) = 5

f(-2)+g(1) = 3 + 5 = 8