Suppose that the functions q and r are defined as follows. q(x)=x^{2}+9
r(x)=\sqrt{x+8}[/tex]

(r*q)(8)
(q*r)(8)

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

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a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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