Respuesta :

With the first question, the answer is c
Y(x)=3x-1
Anywhere we see x will be replaced with 5
Y(5)= 3(5) -1
Y(5)=15-1
Y(5)= 14

2.d(3)=45t
So putting t= 3
We have d(3)=45(3)
D(3)= 135


4.the answer is a
5. The answer is E