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algebra.docx
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Algebra
1) If point P is located at
on the unit circle, what is sin Θ
and cos Θ?
A.
B.
C.
D.
2) If point P is located at
on the unit circle, what is sin Θ and
cos Θ?
A.
B.
C.
D.
3) Which of the following is equal to sin
A.
B.
C.
D.
?
4) What is the period of the function shown below?
A.
B.
C.
D.
5) What is the period of the function shown below?
A.
B.
C.
D.
6) Which of the following is equal to cos 440°?
a) cos 620°
b) cos 350°
c) cos 260°
d) cos 80°
7) Which of the following functions is not periodic? Assume that no
function has a period greater than 2π.
A.
B.
C.
D.
8) When a guitar string is plucked, it is displaced from a fixed point in
the middle of the string and vibrates back and forth, producing a musical
tone. The exact tone depends on the frequency, or number cycles per
second, that the string vibrates. To produce an G, the frequency is 390
cycles per second, or 390 hertz. What is the period of this function?
a) 6/5 seconds
b) 0.02 seconds
c) 0.0025 seconds
d) 11.3 seconds
9) In a certain area of forested land, the population of rabbits R
increases and decreases periodically throughout the year. If the
population can be modeled by
, where d represents the dth day of the year, what is the population on
the 300th day of the year?
a) 132 rabbits
b) 220 rabbits
c) 532 rabbits
d) 620 rabbits
…
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