Question

9) dada a função f(×)= -3x+2x- 10,determine f(2) a) -18 b) 16 c) 15 d) 0 e) -10

Answer 1

F(x)=-3x²+2x-10

Tendo f(2)

f(2)=-3.2²+2.2-10

f(2)=-3.4+4-10

f(2)=-12-6

f(2)=-18

Opção a