Question: Graph the function and determine whether the function is one-to-one using the horizontal-line test. a. f(x) = 5x - 8 b. f(x) = 3 +

Graph the function and determine whether the function is one-to-one using the horizontal-line test.
a. f(x) = 5x - 8
b. f(x) = 3 + 4x
c. f(x) = 1 - x2

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