Question

Dada a função f: R R, definida por f(x) = 5x + 2, calcule:
a) f(0)
b) f(2)
c) f(–3)

Answer 1

a) f(0)= 5.0+2= 2
b) f(2)= 5.2+2= 12
c) f(-3)= 5.(-3)+2= -13

Answer 2

f(x)=5x+2
a) f(0)=5.0+2
f(0)=0+2
f(0)=2
b) f(2)=5.2+2
f(2)=10+2
f(2)=12
c) f(-3)=5.(-3)+2
f(-3)=-15+2
f(-3)=-13