Question

Let p(x) = 7x + 5 and r(x) = x - 1. Find and evaluate (r x p) (5)

Answer 1

Answer: 39

Step-by-step explanation:

Given

P(x)=7x+5

r(x)=x-1

r(p(x))=7x+5-1=7x+4

so, r(p(5))

$\Rightarrow r(p(5))=7\times 5+4=35+4=39$