Find the axis of symmetry of the quadratic function.f(x) = 11(x - 3)2 + 6
A. x = -3
B. x = 6
C. x = 11
D. x = 3
Answer: D
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Decide whether the statement is true or false.There is a least positive fraction greater than one.
A. True B. False
Suppose an arc of length s lies on the unit circle x2 + y2 = 1, starting at point (1, 0) and terminating at the point (x, y). Use a calculator to find the approximate coordinates (x, y). Round coordinates to four decimal places when appropriate. 
s = 5.6
A. (-0.7756, 0.6313) B. (-0.7756, -0.6313) C. (0.7756, -0.6313) D. (-0.6313, 0.7756)
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The boy is 1.9 
tall.
A. km B. m C. cm D. mm
Solve the problem. Round to the nearest tenth, if necessary.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is a constant 50 mph, and the total flight took 4 hours, find the speed of the plane.
A. 550 mph B. 525 mph C. 605 mph D. 435 mph