Let f(x) = 2x – 5 and g(x) = 7 – 2x. Then |f(x) + g(x)| =...

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PS · Problem Solving

705-805

Functions

Let

f(x) = 2x – 5

and

g(x) = 7 – 2x

. Then

|f(x) + g(x)| = |f(x)| + |g(x)|

if and only if

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