Chapter 4: Q. 78 (page 363)
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Chapter 4: Q. 78 (page 363)
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Describe the intervals on which the function f is positive, negative, increasing and decreasing. Them describe the intervals on which the function A is positive , negative, increasing and decreasing
Consider the general sigma notation .What do we mean when we say that ak is a function of k?
Given formula for the areas of each of the following geometric figures
a) area of circle with radius r
b) a semicircle of radius r
c) a right triangle with legs of lengths a and b
d) a triangle with base b and altitude h
e) a rectangle with sides of lengths w and l
f) a trapezoid with width w and height
Use integration formulas to solve each integral in Exercises 21鈥62. You may have to use algebra, educated guess and-check, and/or recognize an integrand as the result of a product, quotient, or chain rule calculation. Check each of your answers by differentiating
.
Repeat Exercise 13 for the function f shown above at the right, on the interval

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