saralovesoreo saralovesoreo

15-02-2021
Mathematics

contestada

Evaluate the function f(x)= x^2 + 2x + 8 at the given values of the independent variable and
simplify.

a. f(6)
b. f(x+4)
c. f(-x)

Respuesta :

HajirahBibi HajirahBibi

15-02-2021

Question a:
f(6) = (6)² + 2(6) + 8

f(6) = 36 + 12 + 8

f(6) = 56

Question b:
f(x+4) = (x+4)² + 2(x+4) + 8

f(x+4) = x² + 8x + 16 + 2x + 8 + 8

f(x+4) = x² + 10x + 32

Question c:
f(-x) = (-x)² + 2(-x) + 8

f(-x) = x - 2x + 8

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