Question

Dadas as funçoes f(x)=3x-2 e g(x)=x2+1, determine o valor de f(5)-g(3)

Answer 1

f(x) = 3x-2 ⇒ f(5) = 3 × 5 - 2 ⇒ f(5) = 13

g(x) = x² +1 ⇒ g(3) = 3² + 1 ⇒ g(3) = 10

Logo
f(5)-g(3) = 13 - 10 ⇒ f(5)-g(3) = 3