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Write the values of f at -3, 5, 2, -1, 0 if

f(x) = {((x2 + x - 5) if x ∈ (-∞, 0)),((x2 + 3x - 2 if x ∈ (3, ∞)),((x2 if x ∈ (0,2)), ((x2 - 3), otherwise) 

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Best answer

f(-3) = (-3)2 – 3 – 5 = 9 – 8 = 1 

f(5) = (5)2 + 3(5) – 2 = 25 + 15 – 2 = 38 

f(2) = 4 – 3 = 1 

f(-1) = (-1)2 + (-1) – 5 = 1 – 6 = -5 

f(0) = 0 – 3 = -3

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