Question

2. Dada a função f(x) = 3x – 4, determine f(2) e f(-1)​

Answer 1

Resposta: f(2) = 2 e f(- 1) = - 7

Explicação passo-a-passo:

$f(x)=3x-4\\\\ f(2)=3\cdot 2-4\\\\ f(2)=6-4\\\\ \boxed{f(2)=2}$

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$f(x)=3x-4\\\\ f(-1)=3\cdot (-1)-4\\\\f(-1)=-3-4\\\\ \boxed{f(-1)=-7}$