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Evaluate Piecewise-Defined Functions
Grade Level
GRE
QR.155 Evaluate Piecewise-Defined Functions
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Let f(x) = x + 1 if x < 2; f(x) = 7 - x if x >= 2. Which x-value satisfies f(x) = 3?
A
x = 2 and x = 4
B
x = 2 only
C
No solution
D
x = 4 only
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