Question

Sabendo que f(x) = 3x – 1, determine f(1) + f(5) – f(2).

Answer 1

Resposta:

f(x) = 3x – 1

f(1) + f(5) – f(2)

3*1-1 +(3*5-1) -(3*2-1)

3 -1   +15 -1  -6  +1  

3  +15 -1  -6  

18 -7

=11