A rental company charges $15 plus $4 per hour to rent a bicycle. if margie does not want to spend more than $27 for her rental,
1 answer:
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- First question:
Recall that and
for all
. So
For , we expect both
and
(i.e. the sine and cosine of any angle that lies in the first quadrant must be positive). By definition of absolute value,
if
.
So we have
making H the answer.
- Second question:
C is always true, because the inequality reduces to x > y.