Use a product-to-sum identity to rewrite the expression.cos 12° sin 42°
A. 0.5(sin(54°) + sin (30°))
B. 0.5(cos(54°) - cos (30°))
C. 0.5(cos(54°) + cos (30°))
D. 0.5(sin(54°) - sin (30°))
Answer: A
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If data are exponential, but the data are not measured in 1-unit increments, it is necessary to adjust the successive quotients in order to get the growth/decay factor.
Answer the following statement true (T) or false (F)
Find the derivative.
A. 8x4 B. 12x5/2 C. 2x4 - 2 D. 6x2
Express as a single logarithm, and, if possible, simplify.5 log4(3x - 5) + 4 log4(4x - 2)
A. log4((3x - 5)5 + (4x - 2)4)
B. log4((3x - 5)5(4x - 2)4)
C. 20 log4(3x - 5)(4x - 2)
D. log4 
Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain: {Alice, Brad, Carl} range: {cat, dog} B. function domain: {cat, dog} range: {Alice, Brad, Carl} C. not a function