Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Answer: D
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Find the indicated matrix.Let A = 
and B = 
. Find 
A. 
B. 
C. 
D. 
Match the polynomial function with the graph.y = 3x3 + 3x2 - 21x - 15
A. 
B. 
C. 
D. 
Use your graphing calculator to graph the function between alt="" class="wirisformula" data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__Section_4.6_Graphing_Combinations_of_Functions__media__b3a024f4-ced2-4425-9f94-8a01e80c6a4a.PNG" style="vertical-align:middle;" />, and ? ?
and 
. Show the graph of 
, 
. (Make sure your calculator is set to radian mode.)
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve.A ball is thrown downward with an initial velocity of 35 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time it takes the ball to hit the ground. Round your answer to the nearest tenth of a second.
A. 3.7 sec B. 2.8 sec C. 2.6 sec D. 2.7 sec