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Let a and b be real numbers. The function h(x) = ax + b satisfies h(1) = 5 and h(-1) = 1. What is h(6)?

 Dec 19, 2020
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Reverse engineer the function; a+b=5, and b-a=1. So, a=2 and b=3, so h(6) = 12+3 = 15.

 Dec 20, 2020

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