Determine the equation of the function that is graphed.
A. y = 4 sin x
B. y = cos x + 4
C. y = 4 cos x
D. y = sin (x + 4)
Answer: A
Mathematics
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Simplify the rational expression. (Assume the denominator is nonzero.)
A. 
B. 
C. - 
D. -2(x + 5)
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Write the decimal point in the correct location. 2799 × 0.028 = 78372
A. 78.372 B. 783.72 C. 78,372. D. 7.8372
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The nth term of a sequence is given. Find the first 4 terms.an = 
n-1
A. -1, 
, 
, 
B. 0, 
, 
, 
C. 1, 
, 
, 
D. 5, 1, 
, 
Mathematics
Use the change of base formula to approximate the logarithm to four decimal places.log3 51.77
A. 3.5925 B. 1.7141 C. 17.2567 D. 0.2784
Mathematics