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F(-2){3x^2-1,x<1}{x+2,x_>+8
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F(-2){3x^2-1,x<1}{x+2,x_>+8

User Malasorte
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1 Answer

4 votes
f(x) = 3x² - 1
f(-2) = 3(-2)² - 1
f(-2) = 3(4) - 1
f(-2) = 12 - 1
f(-2) = 11

f(x) = x < 1
f(-2) = -2 < 1

f(x) = x + 2
f(-2) = -2 + 2
f(-2) = 0

f(x) = x ≥ 8
f(-2) = -2 ≠ 8
User JaYwzx Wong
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8.9k points
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