Question

33. If f(x) = 2x+2 what is f(f(4)) ?
A. 18
B.22
C. 20
D. 24​

Answer 1

put x = 4

f(4) = 2(4)+2

f(4) = 10

f(f(4)

put x =10

f(10) = 2(10)+2

f(10)= 22

thus b is correct answ3r

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