4. Consider the region below f(x) = (7 – x), above the x-axis, and between x = 0 and x =7. Let x¡ be the midpoint of the ith subinterval. Complete parts a. and b. below. a. Approximate the area of the region using seven rectangles. Use the midpoints of each subinterval for the heights of the rectangles. The area is approximately square units. (Type an integer or decimal.) b. Find (7- x) dx by using the formula for the area of a triangle. 7 fo-na. x) dx = (Simplify your answer.)

4. Consider the region below f(x) = (7 – x), above the x-axis, and between x = 0 and x =7. Let x¡ be the midpoint of the ith subinterval. Complete parts a. and b. below. a. Approximate the area of the region using seven rectangles. Use the midpoints of each subinterval for the heights of the rectangles. The area is approximately square units. (Type an integer or decimal.) b. Find (7- x) dx by using the formula for the area of a triangle. 7 fo-na. x) dx = (Simplify your answer.)

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter6: The Trigonometric Functions

Section6.7: Applied Problems

Problem 58E

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