# 153E3-F2010 - MA15300 Exam 3A Fall 2010 Use the following...

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MA15300 Exam 3A Fall 2010 Use the following functions to answer questions #1, 2, and 3: fx () = 3 x x + 4 and gx = x 1 1. Find and simplify . f g 3 A . 23 7 B 7 C 13 D 5 E None of the above 2. Find and simplify gg 6 ( ) . A 4 5 B 25 C 5 3 D 35 E None of the above 3. Solve the following equation for x . g D f x = 0 1, 0 0, 1 2 1 0 Ax x Bx x Cx Dx Ex =− = == = = = 4. Solve the following system of equations for x . y = x 2 + 4 x 7 2 x y 1 A x x = 2 B x 4, x = 2 C x x = 6 D x 4, x = 6 E None of the above 1

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MA15300 Exam 3A Fall 2010 5. Let be a function with domain y = fx () D = − 5,3 [ ] and range R = − 2,7 [ ] . Find the domain and the range D R for . y = 4 3 A . D = − 2,6 [ ] , R =− 8,28 [] B D 5,4 R 1 2 , 7 4 C D 2,6 R 1 2 , 7 4 D D 5,4 R 8,28 E . None of the above 6. Which of the following depicts the graph of the following function? hx = x + 3 if x ≤− 1 x 2 if x >− 1 A. x y E. C. x y x y D. x y B. y x 2
MA15300 Exam 3A Fall 2010 7. Which of the following sign charts describes the graph of the function () x f y = given below.

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## This note was uploaded on 09/13/2011 for the course MATH 153 taught by Professor Staff during the Spring '10 term at Purdue University-West Lafayette.

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153E3-F2010 - MA15300 Exam 3A Fall 2010 Use the following...

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