Can I please get some help

a)  8

b)  -4

c)  3x² - 4x + 8

d)  20

e)  28

Step-by-step explanation:

a)  (-2)² + 4 = 8

b) 8 + [4(-2) - 4] = 8 + (-8 - 4)  = 8 + (-12) = -4

c) 3(x² + 4) = 3x² + 12

   3x² + 12 - (4x - 4) = 3x² - 4x + 8

d) g(2) = 4     4² + 4 = 20

e) f(2) = 8      4(8) - 4 = 28

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step-by-step explanation:

answer:

24pi or letter c