Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 15° from its direction of travel. After traveling 3 miles farther, the angle is 21°. At that time, how far is the ship from the lighthouse? If necessary, round to the nearest hundredth of a mile.
A. 7.43 mi B. 2.17 mi C. 3 mi D. 10.29 mi
Find the missing sides of each special right triangle.
A. 4
and 4
B. 4 and 4
C. 4
and 4
D. 4 and4
Describe the behavior of the function's graph at its x-intercepts.f(x) = (x - 1)2(x + 5)2
A. Crosses at (1, 0) and (-5, 0) B. Crosses at (1, 0) but not at (-5, 0) C. Crosses at (5, 0) but not at (-1, 0) D. Does not cross at (1, 0) or (-5, 0)
Factor.x2 + 10x + 9
A. (x - 1)(x + 9) B. (x + 1)(x - 9) C. (x - 1)(x - 9) D. (x + 1)(x + 9)