Find the value of x for the following problems 1-3.
2 answers:
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Answer:
Step-by-step explanation:
Let
x------> the number of days
y----> the cost of renting a car
we know that
For
For
The rate is equal to
so
In this problem. the car has been rented for more than a week
therefore
The cost of renting a car is equal to
Answer:
(b) 1
Step-by-step explanation:
To differentiate we will need the product rule:
.
We have , so the following equation is true by the transitive property:
By subtraction property we have:
Since , then we can divide both sides by
:
This implies is constant.
So we have that where
is a real number.
Since and
, then by transitive property
.
So .
Checking:
So the following conditions were met.