Simplify the expression.cos x - cos x sin2 x
A. sec2 x
B. sin x
C. cos3 x
D. tan2 x
Answer: C
Mathematics
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Find the tax rate for the area. Round to the nearest tenth of a percent.Total tax needed: $321,000Total assessed value: $53,103,000
A. 0.5% B. 0.8% C. 6.0% D. 0.6%
Mathematics
Provide an appropriate response.In your own words, explain what a logarithm is.
What will be an ideal response?
Mathematics
Find the slope of the line containing the given points. f(2) = -5 and f(19) = 6
A. 
B. 
C. - 
D. 
Mathematics
Use a graphing calculator to sketch the graph of the quadratic equation, and then give the coordinates for the x-intercepts (if they exist).y = 7x2 - 18x + 8
A. (0.571, 0); (2, 0) B. (-0.571, 0); (-2, 0) C. (0.571, 0); (-2, 0) D. (-0.571, 0); (2, 0)
Mathematics