Question

Considerando a funçao f(x)=3x-5, calcule
a) f(5)
b) f(f(5))
c) f(f(f(5)))

Answer 1

Resposta:

a)

f(5)=3(5)-5

f(5)=15-5

f(5)=10

b)

f(f(5))=3(10)-5

f(f(5))=30-5

f(f(5))=25

c)

f(f(f(5)))=3(25)-5

f(f(f(5)))=75-5

f(f(f(5)))=70