Find f (-2) for the function:

f (x) = 3x^2-1, x<1

x+2, x> 1

Question

Amelie Mora

Mathematics

1 April, 21:37

Find f (-2) for the function:

f (x) = 3x^2-1, x<1

x+2, x> 1

+4

Answers (1)

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Stokes · Answer 1

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 > 1

f (-2) = - 2 > 1

f (-2) = - 2 < 1

Find f (-2) for the function:f (x) = 3x^2-1, x<1x+2, x> 1

Find f (-2) for the function:

f (x) = 3x^2-1, x<1

x+2, x> 1