Question

Sendo f(x) = 3x - 1 calcule f(1).

A f(1)= 2
B f(1) = 3
C f(1) = 1
D f(1)= -1

Answer 1

Resposta:

a)f(1)=2

3.2-1

6-1=5

f(1)=5

b)f(1)=3

3.3-1

9-1=8

f(1)=8

c)f(1)=1

3.1-1

3-1=2

f(1)=2

d)f(1)=-1

3.(-1)-1

(-4)-1

-5