Evaluate piecewise functions
Pick the rule whose condition the input meets.
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f(x) = −x − 4 if x < 0 and f(x) = 3x² − 8 if x ≥ 0. Find f(2).
Answer: 4
f(x) = 2x − 6 if x < 0 and f(x) = 2x² if x ≥ 0. Find f(−3).
Answer: -12
f(x) = −3x + 3 if x < 0 and f(x) = 3x² + 3 if x ≥ 0. Find f(−4).
Answer: 15
Tip: Pick the rule whose condition the input meets.
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