Question

sejam as funcoes f(x)=x^2-2xe g(x)=-x +4, R em R . calcule g(f(3)), f(f(-2)) e g(g(1)).

Answer 1

Oi Nicolli

f(x) = x² - 2x
g(x) = -x + 4

f(3) = 9 - 6 = 3
g(3) = -3 + 4 = 1

f(-2) = 4 + 4 = 8 
f(8) = 64 - 16 = 48 

g(1) = -1 + 4 = 3
g(3) = -3 + 4 = 1