Question

Sejam f: IR --- IR e g: IR --- IR dadas por f(x) = x^2 - 5x -3 e g(x) = -2x + 4. Calcule:

a) f(g(2))
b) (fog)(-2)
c) (gof)(2)
d) g(g(5)) ​

Answer 1

a) f(g(2)) = f(0) = -3

b) f(g(-2)) = f(8) = 21

c) g(f(2)) = g(-9) = 22

d) g(g(5)) = g(-6) = 16