Find the domain of the function.f(x) = log5(4 - x2)
A. (-?, -2) ? (2, ?)
B. (-4, 4)
C. (-2, 2)
D. [-2, 2]
Answer: C
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Sketch the graph of the parametric equations. Then set up the appropriate integral to find the length of the curve and use a computer to evaluate it.x = 2t cos t, y = 2t sin t, 0 ? t ? 3?
A. L = 20?
B. L = 61.51
C. L = 92.26
D. L = 61.51
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 186 miles in the same time that Dana travels 156 miles. If Chuck's rate of travel is 5 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 31 mph B. 37 mph C. 26 mph D. 25 mph
Graph the equation. Select integers for x, -3 ? x ? 3.y = x2 + 3
A. 
B. 
C. 
D. 
Use the distributive property to write the sum as a product.(-8)8 - (-8)4s
A. -8(8 + 4s) B. -8(64 - 4s) C. -8(8 - 4s) D. 8(-64 - 4s)