Quiz #2-Joe

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Quiz #2-Joe
March 7, 2014
Name:
Math 151
Section
Row:
This quiz is due by 11:30 on March 7. Do you work either at the bottom of this page, the back of this paper or on
another sheet of paper. Clearly label your work and your answers.
1. For y =
x2
find y ′′ (x).
3x + 1
2. For f (x) =
1
find f (3) (x).
(7x + 1)2
3. If x = 3t + 5 and y = t3 + 2t2 − 4. Compute
dy dx (11,12)
4. Find the values of t where the curve will have a horiozntal tangent line.
x = t2 − 25
y = (t2 + 4t)2
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