) We approximate the area under the graph of y = f(x), above the x-axis, over the interval [0, 4] by using n rectangles and left-hand endpoints. (Leave n as a parameter.) a) What is the width, Ax, of each rectangle used in this approximation? Ax b) Find a formula for the gridpoint x. (The only variables appearing in your expression should be k and n.) c) Nrite the Riemann sum for this area approximation in Sigma notation.

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter3: Functions
Section3.7: Inverse Functions
Problem 2SE: Why do we restrict the domain of the function f(x)=x2 to find the function's inverse?
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2a. 2b. 2c. 

2) We approximate the area under the graph of y = f(x), above the x-axis, over the interval [0, 4] by using n rectangles and
left-hand endpoints. (Leave n as a parameter.)
a)
What is the width, Ax, of each rectangle used in this approximation?
Ax =.
b)
Find a formula for the gridpoint xk. (The only variables appearing in your expression should be k and n.)
Xk =
c)
Write the Riemann sum for this area approximation in Sigma notation.
Sigma notation:
Transcribed Image Text:2) We approximate the area under the graph of y = f(x), above the x-axis, over the interval [0, 4] by using n rectangles and left-hand endpoints. (Leave n as a parameter.) a) What is the width, Ax, of each rectangle used in this approximation? Ax =. b) Find a formula for the gridpoint xk. (The only variables appearing in your expression should be k and n.) Xk = c) Write the Riemann sum for this area approximation in Sigma notation. Sigma notation:
For questions 1 and 2, consider the function f(x) = ÷x2.
+ x +1 on the interval [0, 4].
12
10
8
6.
4
2
2
1
2
3
4
Transcribed Image Text:For questions 1 and 2, consider the function f(x) = ÷x2. + x +1 on the interval [0, 4]. 12 10 8 6. 4 2 2 1 2 3 4
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