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Please find A, B, C and D on this question. Thanks!!

Mathematics
Tutor: None Selected Time limit: 0 Hours

Apr 5th, 2015

a) (fog)(x) = (sqrt(x-1))^2 + 3

= x - 1 + 3

= x + 2

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Apr 5th, 2015

b) (gof)x = sqrt(x^2+3)-1) = sqrt(x^2+2)

c) (fof)x = (x^2+3)^2+3 = x^^4+6x^2+12

d) (gog)x= sqrt(sqrt(x-1)-1)

Apr 5th, 2015

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Apr 5th, 2015
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