Answer:
use 
all you have to do is plug 4 into d and then square it, and multiply everything together.
Step-by-step explanation:
3(-1) + 5y = 17
add 3 to both sides
5y=20
divide by 5
y=4
Answer:
f(5) = 11 and 1/3, or approx. 11.33
Step-by-step explanation:

We can divide away x in 4x/3x:

To calculate f(5), we substitute x with 5:

Answer: 11 and 1/3, or approx. 11.33
Answer:
32 divided by 7 is 4.571428571. This decimal rounded to the nearest tenth is 4.6.
Step-by-step explanation: