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Given the function f(x) = 4|x β 5| + 3, for what values of x is f(x) = 15?
4 months ago
Q:
Given the function f(x) = 4|x β 5| + 3, for what values of x is f(x) = 15?
Accepted Solution
A:
f(x) = 15 <=> 4|x-5| + 3 = 15
<=> 4|x-5| = 12
<=> |x-5| = 3
<=> x-5 = 3 (1) <=> x-5 = -3 (2)
<=> x = 8 (1) <=> x = 2 (2)
x = 8; x = 2