Graph the pair of functions on the same plane. Use a dashed line for g(x).f(x) = x2 , g(x) = - 
(x + 4)2 + 3
A. 
B. 
C. 
D. 
Answer: B
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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
Solve the problem.A living room is 19 feet wide. The carpeted portion of the room is 2x feet long and the adjacent tiled portion of the room is 7y feet long. Use the distributive property to find an expression for the total area of the living room.
A. 171(x + y) square feet B. 38x + 7y square feet C. 21x + 26y square feet D. 38x + 133y square feet
Calculate the simple interest and the final balance. Round to the nearest cent, if necessary.
A. Interest: $165.00; Final Balance: $440.00 B. Interest: $125.00; Final Balance: $400.00 C. Interest: $154.50; Final Balance: $429.50 D. Interest: $145.00; Final Balance: $420.00
Factor the trinomial completely.x2 + 2xy - 8y2
A. (x - 4y)(x + y) B. (x - y)(x + 2y) C. (x + 4y)(x - 2y) D. (x - 4y)(x + 2y)