Precalculus Final Exam Review Worksheet With Answer Key - Math 170, Santa Ana College Page 2

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Use the graph of the given function to find any relative maxima and relative minima. State where f(x) increases and
decreases
4) f(x) = x 3 - 3x 2 + 1
4)
f(x + h) - f(x)
Find and simplify the difference quotient
, h 0 for the given function.
h
5) f(x) = x 2 + 7x + 3
5)
Use the given conditions to write an equation for the line in slope-intercept form.
6) Passing through (2, 5) and (1, 8)
6)
Begin by graphing the standard quadratic function f(x) = x 2 . Then use transformations of this graph to graph the
given function.
1
(x + 2) 2 + 3
7) g(x) = -
7)
2
For the given functions f and g , find the indicated composition.
7
4
8) f(x) =
,
g(x) =
8)
x + 4
5x
(f g)(x)
2

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