Solve the problem.Find the average distance from a point  in the first quadrant of the disk  to the origin.

A.
B.
C.
D.


Answer: C

Mathematics

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Solve and check. Use the square root principle to eliminate the square.(x + 16)2 - 6 = 0

A. 16 ± 
B. -16 ± 
C. -10, 22
D. -4 ± 

Mathematics

Solve the problem.An object is propelled vertically upward from the top of a 128-foot building. The quadratic function  models the ball's height above the ground,  in feet, t seconds after it was thrown. After how many seconds does the object reach its maximum height? Round to the nearest tenth of a second if necessary.

A. 6.5 sec B. 13.6 sec C. 2 sec D. 0.6 sec

Mathematics

Graph the inequality.x2 + 4y2 ? 16

A.

B.

C.

D.

Mathematics

The point is on the terminal side of an angle in standard position. Determine the exact values of the three trigonometric functions sine, cosine, and tangent of the angle ?. ? ?

A. sin ? =

cos ? =

tan ? =


B. sin ? =

cos ? =

tan ? =


C. sin ? =

cos ? =

tan ? =


D. sin ? =

cos ? =

tan ? =


E. sin ? =

cos ? =

tan ? =


Mathematics