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CLEP Precalculus Quiz 2
Question 1:
What are the amplitude and period of the function:
f(x) = 2 + 12cos(10x)cos(9) - 12sin(10x)sin(9)?
amplitude:2, period:¶/9
amplitude:10, period:¶/5
amplitude:12, period:¶/9
amplitude:12, period:¶/5
amplitude:10, period:¶/2
Question 2:
cos(38¶/3) =
.5
-.5
1
-1
-.865
Question 3:
What are the vertical and horizontal asymptotes of f(x)?
vertical: x = -1, horizontal y = 1/3
vertical: x = -1, horizontal y = 3
vertical: x = 1, horizontal y = 1/3
vertical: x = 1, horizontal y = 3
vertical: x = -1, horizontal y = -1/3
Question 4:
Which of the following functions can be represented by the graph shown above?
Question 5:
log
_{4}
x + log
_{4}
(x-1) = 1/2
The solutions of the equation above are:
x
_{1}
= 1 and x
_{2}
= -2
x = 0
x = 2
x
_{1}
= -1 and x
_{2}
= 2
x = -1