Use the given pair of functions to find the following values if they exist.

Mathematics
Tutor: None Selected Time limit: 1 Day

Oct 2nd, 2015

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a) (g o f )(0) = g( f (0)) = g (3) 

g(3)= 2 (3)^2 + 1 = 19

b) (f o g )(-1) = f( g (-1)) =f(3)

f(15) = 4(3)+3 = 15

c) (g o f )(-3) = g( f (-3)) = g (9)

g(163) = 2(9)^2 +1 = 163

d) (f o g )(-2) = f( g (-2)) =f(5)

f(5)= 23

e) (f o f )(-2) = f( f (-2)) =f(5)

f(5)= 23

  

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Oct 2nd, 2015

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