Find the sum of the series.
A. 
B. 1
C. 
D. 3
Answer: D
Mathematics
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Translate into an equation, then solve.Bob is saving to buy a car. The total amount that he needs is $11,000. The amount that he has saved so far is $7000. How much more does Bob need?
A. 7000 + x = 11,000; Bob needs $4002 more. B. 7000 - x = 11,000; Bob needs $4000 more. C. 7000 + x = 11,000; Bob needs $4000 more. D. 7000 - x = 11,000; Bob needs $4002 more.
Mathematics
Factor the polynomial.(5x + y)2 - 81
A. (5x + y + 9)(5x + y - 9) B. (5x + y - 9)2 C. prime D. (5x + y + 9)2
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.7x + 4 > 6x + 8
A. [4, ?)
B. (4, ?)
C. (12, ?)
D. (-?, 4]
Mathematics