Question

dada a função f x = - 2x - 5 determine
A f (1)
B f(-2)​

Answer 1

Resposta:

f (x) = - 2x - 5

___________

a) f(1) = -2 . 1 - 5 =

f(1)= -2 -5 =

f(1) = -7

b) f(-2) = -2 . (-2) - 5 =

f(-2) = +4 -5 =

f(-2) = -1