Question

sendo f(x) = 5x + 2 escreva: f(x + 1)

Answer 1

$f(x) = 5x + 2$

$f(x+1) = 5(x+1) + 2$

$f(x+1) = 5x+5 + 2$

$\boxed{f(x+1) = 5x+7}$

Answer 2

f(x) = 5x + 2
f(x+1) = 5(x + 1) + 2
f(x + 1) = 5x + 5 + 2
f(x + 1) = 5x + 7