Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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On my homework, there is a question using 'cot'. I've attached it in a pic below, but I don't understand where they got the answer of -2 from simplifying the top of the fraction. I just finished pre-calc and started Calc 1, but I am so confused, I dont know what cot is or how to use it or how to solve with it.

Transcribed Image Text:Find the average rate of change of the function over the given intervals.
h(t) = cot t
a.
4 4
7n 3n
b.
6'2
Ay (*2) -(x1).
er,
a. The average rate of change of y = f(x) with respect to x over the interval [x, x, 1 is -
X2 -X,
- cot
cot
Ay
4
For the function h(t) = cot t and interval
%3D
At
4
Simplify the numerator.
Ay
-2
%3D
At
4
4.
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25
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22
F3
F4
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F5
F6
F7
F8
F9
F10
24
5
6
7
8.
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