It cost $35 per hour to rent a boat at the lake. You also need to pay a $25 fee for safety equipment. You have $200. For how lon
2 answers:
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Answer:
You can proceed as follows:
Step-by-step explanation:
First solve the quadratic inequality . To do that, factorize, then we have that
. This implies that
or
In the first case the solution is the empty set . In the second case the solution is the interval
. Now we have that
.
To show that consider
. Then
, this implies that
, then
. Now, to show that
consider
, then
, then
, then
, this implies that
.
Observe the image below.
