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April 21, 2014

Homework Help: College Algebra

Posted by Kameesha on Wednesday, August 1, 2012 at 12:27pm.

1. Which of the following best describes how the graph of f can be obtained from the graph of y = 1/x^2? f(x) = 4/x^2
a. vertical stretch by a factor of -4
b. horizontal shift of 4 units to the right
c. reflection over the y-axis, vertical shrink by a factor of 4
d. reflection over the x-axis, vertical stretch by a factor of 4
2. Determine the quadratic function f whose vertex is (3, -2) and passes through (2,1).
I have to type the answer in the form of f(x) = ax^2 + bx + c.
I would gladly appreciate the help.

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