Question

URGENT PLS HELP MAX POINTS

Suppose that the functions q and r are defined as follows.
g(x) = -2x-1
7 (x) = 2x^2 +1

Find the following
(q o r)(5) =?
(r o q)(5) = ?

Answer 1

-103

243

Explanation:

(q•r)(5) = q(r(5))

r(5) = 2(5²) + 1 = 51

q(51) = -2(51) - 1 = -103

(r•q)(5) = r(q(5))

q(5) = -2(5) - 1 = -11

r(-11) = 2(-11)² + 1 = 243