Math 101 Exam 1 Solutions

Math 101 Exam 1 Solutions - Name Math 101 Section Fall...

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Page 1 of 4 Name:_____________________________ Section:___________ Math 101 Fall ’11-‘12 Complete all problems. Non-graphing calculators are permitted. You have 50 minutes to complete this exam. Please show all work to get full credit for each problem. 1. Find an equation in the form y=mx+b of the line passing through (0, 5) and perpendicular to the line 8x + 5y =3. (7 pts) 2. Find the domain of the following functions: (6 pts each) a) 6 11 ) ( 2 2 x x x x f b) x x g 2 7 ) ( c) 2 ) 7 ( ) ( x x h
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Page 2 of 4 3. Graph the following functions: (8 pts each) a) 4 ) 5 ( ) ( 2 x x f -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 x y b) 6 2 ) ( x x f -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 x y
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Page 3 of 4 4. For 20 4 12 3 ) ( x x x f , find: (12 pts) a) x-intercept(s), if any b) y-intercept(s), if any c) equation(s) of vertical asymptote(s), if any d) equation(s) of horizontal asymptote(s), if any 5. A certain viral infection causes a fever that typically lasts 6 days. A model of the fever (in F
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Math 101 Exam 1 Solutions - Name Math 101 Section Fall...

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