2011c_x2a_sols

# 2011c_x2a_sols - MATH 151 FALL 2011 COMMON EXAM II VERSION A Last Name KEY First Name Signature Section No PART I Multiple Choice(15 questions 4

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Unformatted text preview: MATH 151, FALL 2011 COMMON EXAM II - VERSION A Last Name : KEY First Name : Signature : Section No : PART I: Multiple Choice (15 questions, 4 points each. No Calculators) Write your name, section number, and version letter (A) of the exam on the ScanTron form. 1. Find the derivative of h ( t ) = ( t 4 + 7 t ) 5 . (a) h ( t ) = 5(4 t 3 + 7) 4 (b) h ( t ) = 5( t 4 + 7 t ) 4 (4 t 3 ) (c) h ( t ) = 5( t 4 + 7 t ) 4 (4 t 3 + 7) Correct choice (d) h ( t ) = 20 t 19 + 7 5 (5 t 4 ) (e) h ( t ) = 5( t 4 + 7 t )(4 t 3 + 7) 2. If f ( x ) = sin( g ( x )), find f (2) given that g (2) = 3 and g (2) = 4 . (a) 3 8 (b) 8 Correct choice (c) 1 2 (d)- 3 8 (e)- 8 3. At what point on the graph of f ( x ) = x is the tangent line parallel to the line 2 x- 3 y = 4? (a) parenleftbigg 9 16 , 3 4 parenrightbigg Correct choice (b) parenleftbigg 9 16 , parenrightbigg (c) parenleftbigg 4 3 , 2 3 parenrightbigg (d) parenleftbigg 16 9 , 4 3 parenrightbigg (e) parenleftbigg 1 16 , 1 4 parenrightbigg 4. A ball is thrown vertically upward with a velocity of 80 feet per second and the height, s , of the ball at time t seconds is given by s ( t ) = 80 t- 16 t 2 . What is the velocity of the ball when it is 96 feet above the ground on its way up? (a) 112 ft/sec (b) 48 ft/sec (c) 16 ft/sec Correct choice (d) 24 ft/sec (e) 64 ft/sec 1 5. Given the equation 2 xy + sin( y ) = 2 , find dy dx when x = 1 and y = 2 . (a)- 2- (b)- 3 (c)- 2 + (d) 0 (e)- 2 Correct choice 6. Find the equation of the tangent line to the graph of f ( x ) = x 1 + 2 x at x = 1....
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## This note was uploaded on 02/13/2012 for the course MATH 151 taught by Professor Artbelmonte during the Fall '06 term at Texas A&M.

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2011c_x2a_sols - MATH 151 FALL 2011 COMMON EXAM II VERSION A Last Name KEY First Name Signature Section No PART I Multiple Choice(15 questions 4

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