a. Which of the following are functions? Justify your answer. f(x) 5+ 4- 3- -4-3-2-1 O -2- -3+ -4- -5 @ 4 5+ 4- 3- 2 1 0 -1 2345 -2 -4 4 -5 5 6 8 9 10 11 12 (b) f(x) 5+ 4 2 2 1 -2 -1 0 -1 -2 3 -4 O 12 -X 4
a. Which of the following are functions? Justify your answer. f(x) 5+ 4- 3- -4-3-2-1 O -2- -3+ -4- -5 @ 4 5+ 4- 3- 2 1 0 -1 2345 -2 -4 4 -5 5 6 8 9 10 11 12 (b) f(x) 5+ 4 2 2 1 -2 -1 0 -1 -2 3 -4 O 12 -X 4
Chapter3: Functions
Section3.1: Functions And Function Notation
Problem 92SE: Show that the function f(x)=3(x5)2+7 is not one-to-one.
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also what makes them a function?
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