Problem 6
match the following scatterplots with the following correlation coefcients.a. r 0.90 c. r 0.68b. r 0.80 d. r 0.20
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Lecture 4: Inverse Functions (Section 1.5) Read pp. 33−37 of the textbook and then fill out the first and half pages (before the first example) below before class. 1. One-to-one functions Def. Au fn f is called a one-to-one function if for any x1and x i2 the domain: if 1 ▯= x2then • Horizontal Line Test 2. Inverse functions Def. Let f be a one-to-one function with domain A and range B.T nisaqirnt f−1 : B → A which assigns to each y in B the unique x value inA given by f−1(y)= x if and only if • If (x,y)iapitntegphof f(x), then Therefore, the graph of f−1 is the graph of f reflected through the line
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Chapter 2, Problem 6 is Solved
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