Question
Problem 8:
Let
on the interval
.
. Apply the MVT to find the value(s) of
in
where
.
Let
. Apply the MVT to find the value(s) of
Ask by Lane Dawson. in the United States
Jan 23,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The values of
in
that satisfy the Mean Value Theorem are
and
.
Solution
To apply the Mean Value Theorem (MVT) to the function
on the interval
, follow these steps:
1. Verify the Conditions for MVT
- Continuity:
is a polynomial, so it is continuous on . - Differentiability: Since
is a polynomial, it is differentiable on .
2. Apply the Mean Value Theorem
According to the MVT, there exists at least one
in
such that:
3. Compute
and
4. Calculate the Average Rate of Change
5. Find
and Solve for
First, find the derivative
:
Set
:
6. Solve the Quadratic Equation
Simplify the square root:
Thus,
7. Verify
is in
Calculate approximate values:
Both values of
lie within the interval
.
Final Answer
The values of
in
satisfying the Mean Value Theorem are:
Answer: After simplifying, the values c are (2 ± √67) divided by 9. Thus,
c = (2 ± √67)/9
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The Deep Dive
To find the values of
using the Mean Value Theorem (MVT), we begin by calculating
and
.
First, we evaluate:
Next, we calculate
:
Now, we need to find
and set it equal to 8:
Calculating the derivative:
Setting
:
Now, we will use the quadratic formula,
:
Calculating the approximate values of these roots, we find:
Now, evaluating
, we calculate:
Since
needs to be in the interval
, both
and
are valid solutions. Thus, the values of
are approximately: