153E3-S2011 - MA 15300 Exam 3A Spring 2011 Use the...

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MA 15300 Exam 3A Spring 2011 Use the functions and () x x x f 3 2 = ( ) 5 = x x g to answer questions #1 and #2: 1. Find and simplify . ( 2 fg −− ) ) . 17 5 .1 7 13 . None of the above A B C D E 2. Find and simplify ( x g f D 5 2 . 5 3 . 40 3 . 15 8 . 40 13 . 2 2 3 2 2 3 2 + + + x x E x x x D x x C x x x B x x A 3. Choose the graph that best depicts the information provided from the following sign chart. 4 1 3 + + sign of x f 5 x y C. - 4 - 1 3 5 B. x y - 4 - 1 3 5 A. x y - 4 - 1 3 5 D. y x - 4 - 1 3 5 E. y x - 4 - 1 3 5 1
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MA 15300 Exam 3A Spring 2011 ) 4. If the point is on the graph of ( 2,3 P ( ) yf x = , find the corresponding point on the graph of . () yfx 41 =+ 1 ., 4 2 1 2 2 .8 , 4 , 2 . None of the above. A B C D E ⎛⎞ ⎜⎟ ⎝⎠ 5. Solve the following system of equations for y . 22 2 25 5 xy += −= .0 , 3 , 4 .4 , .3 , .5 , Ay y By y Cy y Dy y Ey y == =− = = = 5 3 4 6. Suppose y is directly proportional to the square root of x and inversely proportional to the product of v and w . If x =36, v =2 and w =1, then y =9. Find y when x =49, v
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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.

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153E3-S2011 - MA 15300 Exam 3A Spring 2011 Use the...

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