Graph the function.f(x) = - 3(x + 2)2 + 3
A. 
B. 
C. 
D. 
Answer: A
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Factor by grouping.3xy + 6x + 7y + 14
A. (3x + y)(7y + 2) B. (3x + 7y)(y + 2) C. (3x + 7)(y + 2) D. (3x + 2)(y + 7)
Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|x + 7| < 4
A. (-11, -3)
B. (-?, -11) ? (-3, ?)
C. [-11, -3]
D. ?
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, tan ? < 0Find sin ?.
A. - 
B. -
C. - 
D. - 
Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.1 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
.
A. (S ? d)(t) = 3.9t B. (S ? d)(t) = 2.26t C. (S ? d)(t) = 6.93t D. (S ? d)(t) = 3.08t