Solve the problem.A ball is thrown vertically upward with an initial velocity of 160 feet per second. The distance in feet of the ball from the ground after t seconds is  For what intervals of time is the ball less than 336 above the ground (after it is tossed until it returns to the ground)?

A. between 0 and 2.5 seconds and between 7.5 and 10 seconds
B. between 0 and 3 seconds and between 7 and 10 seconds
C. between 3 and 7 seconds
D. between 0 and 4.5 seconds and between 5.5 and 10 seconds


Answer: B

Mathematics

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Integrate the function.dt

A. -  
B. -  5+ C
C. -  5+ sec-1 + C
D. -  5+ C

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Answer the question.The interior angles of a polygon are the angles under the points of the polygon.Number of polygon sides:456Sum of interior angles:360°540°720°What is the sum of the interior angles of a regular polygon with 9 sides?

A. 1260° B. 1170° C. 1350° D. 810°

Mathematics

Determine whether or not the function is linear. If it is, determine the slope and interpret it.The height of an object t seconds after being dropped from an altitude of 249 feet is given by the function h(t) = -16t2 + 249.

A. Linear; -16; The height of the object decreases 16 feet each passing second. B. Not linear C. Linear; -16; The height of the object increases 16 feet each passing second. D. Linear; 249; The height of the object decreases 249 feet each passing second.

Mathematics

Solve the equation.(2p + 5) - 10 = (p + 6) + 3

A. p = 4
B. p = 6
C. p = 
D. p = 

Mathematics