Give the amplitude and period of the graph.
?
?
A. Amplitude = 3, period = 4?.
B. Amplitude = 4, period = 
.
C. Amplitude = 4, period = 4?.
D. Amplitude = 3, period = 8?.
E. Amplitude = 4, period = 8?.
Answer: E
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Find the required ratio.The specific gravity of a substance is the ratio of its density to the density of water. If the density of a substance is 
and that of water is 
what is the specific gravity of the substance, correct to the nearest hundredth?
A. 1.14 B. 7.12 C. 0.14 D. 8.12
Find the value of 4xy2 if x = 6 and y = 8.
a. 32 b. 128 c. 512 d. 1,536 e. 9,216
Use logarithmic differentiation to find the derivative of y.y = (x3 + 1)3(x - 1)2x4
A. 
+ 
+ 
B. (x3 + 1)3(x - 1)2x4(3ln(x3 + 1) + 2ln(x - 1) + 4ln x)
C. (x3 + 1)3(x - 1)2x4
D. (x3 + 1)3(x - 1)2x4
Rewrite as a single logarithm.2 log2(2x + 5) + 6 log2(6x + 1)
A. 12 log2(2x + 5)(6x + 1)
B. log2((2x + 5)2 + (6x + 1)6)
C. log2(2x + 5)2(6x + 1)6
D. log2