What is the domain of f(x)? What is its range?f(x) = 
+ 4
A. Domain: (-?, 4) ? (4, ?); range: (0, ?)
B. Domain: (-?, 0) ? (0, ?); range: (4, ?)
C. Domain: (-?, 0) ? (0, ?); range: (-4, ?)
D. Domain: (-?, 0.6) ? (0.6, ?); range: (-?, 4)
Answer: B
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Solve the problem.A company purchases a piece of equipment for A dollars, and the equipment depreciates at a rate of r each year. Its value V after n years is given by 
Expand this expression for n = 6.
A. V = A(1 + 6r + 15r2 + 20r3 + 15r4 + 6r5 + r6) B. V = A(1 - 6r + 15r2 - 20r3 + 180r4 - 720r5 + r6) C. V = A(1 - 6r + 15r2 - 20r3 + 15r4 - 6r5 + r6) D. V = A(1 + 6r + 15r2 + 20r3 + 180r4 + 720r5 + r6)
Find the limit using 
= 1.
A. 0 B. 5/4 C. 4/5 D. Does not exist
Solve the problem.Find the image of the triangle ABC under the glide reflection that takes A to A' and B to B'.
A. 
B. 
C. 
D. 
Solve the problem.Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the mean number of hours Bill spent exercising per week. Round to the nearest hundredth.6.60 8.70 6.60 6.90 6.60 6.608.70 6.60 6.60 6.60 6.90 7.507.40 8.70 8.70 8.30 6.60 8.70
A. 7.41 B. 7.02 C. 7.84 D. 7.62