# MA23100PracticeExam2Answers - 1 Find y if y = 2(4 x3 x x 1...

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1. Find ' y if ) 1 )( 4 ( 2 3 = x x x y . A. 2 24 ' 2 = x y B. 1 12 12 ' 2 3 + = x x x y C. x x x y 4 8 8 ' 2 3 = D. 2 24 8 ' 2 3 + = x x y E . 2 4 24 32 ' 2 3 + = x x x y 2 . Find ' f : 1 3 4 3 ) ( 2 + = x x x x f A. 2 2 ) 1 3 ( 15 2 3 ) ( ' = x x x x f 9 B. 2 2 ) 1 3 ( 9 2 3 ) ( ' + = x x x x f C. 2 2 ) 1 3 ( 15 2 3 ) ( ' + + = x x x x f D. 2 2 ) 1 3 ( 9 2 3 ) ( ' + = x x x x f

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E. 2 2 ) 1 3 ( 15 2 3 ) ( ' = x x x x f 3. Find ' f : 4 3 5 4 3 ) ( + = x x x f A. 6 3 ) 3 5 ( ) 4 3 ( 44 ) ( ' + = x x x f B. 6 3 ) 3 5 ( ) 4 3 ( 116 ) ( ' + = x x x f C. 5 3 ) 3 5 ( ) 4 3 ( 44 ) ( ' + = x x x f 9 D. 5 3 ) 3 5 ( ) 4 3 ( 116 ) ( ' + = x x x f E. 6 3 ) 3 5 ( ) 4 3 ( 116 ) ( ' + = x x x f 4. Find the equation of the tangent line to the graph of x x x f sin 1 ) ( + = when 2 π = x . A. 1 + + = π x y B. 2 π + = x y 9 C. 1 + = x y
D. 1 2 2 + = π x y E. 1 2 + = x y 5. Find 2 3 5 1 2 lim 3 2 + + + x x x x x A. 2 1 B. 5 2 9 C. 0 D. 3 1 E. Does Not Exist 6. Find ) 2 ( " f if 3 2 ) 3 ( ) ( = x x f A. 3 B. 96 C. 6

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9 D. 102 E. 90 7. Let 1 1 ) ( + = u u u f , and 2 ) ( x u x g = = . Find ) 2 ( )' ( g f o .
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