Graph the system of inequalities.2x + 3y ? 6x- y ? 3y ? 2 
A.
B.
C.
D.
Answer: B
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Solve the problem. Round your answer to the nearest tenth, when appropriate.The position of an object moving in a straight line is given by s(t) = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long will it take the object to move ?
A. 9.5 sec B. 15.0 sec C. 8.4 sec D. 9.3 sec
Use the intermediate value theorem to approximate the one real zero on the given interval. Round your answer to two decimal places.f(x) = x4 - x3 - 7x2 + 5x + 10; [2 , 3]
A. 2.24 B. 2.45 C. -2.24 D. -2.45
Simplify the product.(-2k) ? 3
A. -6 + k B. -5k C. -6k D. 3 - 2k
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.7th term is 55; 15th term is 135
A. a1 = -15, d = 10, an = an-1 + 10 B. a1 = -5, d = 10, an = an-1 + 10 C. a1 = -5, d = 10, an = an-1 - 10 D. a1 = -15, d = 10, an = an-1 - 10