Question

Dada a função f: lR -->lR,tal que f(x)=5-x, calcule

A) F(0)

B) f(3)

C) f (-Z)

D) f ( 1 sobre 2)

Answer 1

Boa tarde Alexsandra

f(x) = 5 - x

a) f(0) = 5
b) f(3) = 5 - 3 = 2
c) f(-Z) = 5 + Z
d) f(1/2) = 5 - 1/2 = 9/2