Conclusion we have only 1 solution ie x 9 5 8 pts a 1

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Conclusion: We have only 1 solution, i.e. x = 9
5. (8 pts) (c) Determine the numerical value of log 3
3
6. (10 pts) Let f ( x ) = 2 x –5 and g ( x ) = x 2 – 3 (a) Find the composite function ( f o g ) ( x ) and simplify the results. x + 8
(b) Find ( f o g ) ( 7 )
7. (16 pts) Let f ( x ) 2 x + 1 (a) Find f 1 , the inverse function of f = 5 x 3 .
(b) What is the domain of f ?What is the domain of the inverse function? )
(c) What is f (2)?
(d) What is f 1 ( _ 1.4 ___ ), where the number in the blank is your answer from part (c)?
8. (18 pts) Let f ( x ) = e x + 2 + 1. Answers can be stated without additional work/explanation. (a) Which describes how the graph of f can be obtained from the graph of y = e x ?

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