Answer:
d(c(x)) = .6x -5
Step-by-step explanation:
We want to find d(c(x))
c(x) = .75x
d(y) = .8y -5
d(c(x)) = .8(c(x)) - 5
Substitute .75x into the equation where you see y
d(c(x)) = .8(.75x) - 5
Distribute
d(c(x)=0.6x-5
c(x)=0.75x
d(y)=0.8y-5
let y=c(x)
d(c(x)=0.8(0.75x)-5
=0.6x-5
