Question

Exemplo: calcule f(-1) e f(3) para a função
f(x)= $2^{2x+1}$

Answer 1

Resposta:

f(x) = x² – 2

a)

f(–1) = (–1)² – 2

f(–1) = 1 – 2

f(–1) = –1

b)

f(1) = 1² – 2

f(1) = 1 – 2

f(1) = – 1

c)

f(0) = 0² – 2

f(0) = – 2