Factor completely. If the polynomial cannot be factored, say it is prime.2y3 + 6y2 - 14y2 - 42y

A. (y + 3)(y - 7)
B. 2y(y + 3)(y - 7)
C. 2y(y - 3)(y + 7)
D. (y + 3)(2y2 - 14y)


Answer: B

Mathematics

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Evaluate the integral.

A. 32 B. 18 C. 9 D. 16

Mathematics

Solve the problem.Suppose a cold front is passing through the United States at noon with a shape described by the function  where each unit represents 100 miles.  Missouri is located at  and the positive y-axis points north.N    

src="https://sciemce.com/media/4/ppg__10616191804__f1q36g6.jpg" alt="" style="vertical-align: -4.0px;" /> SSuppose the front moves south 340 miles and west 120 miles and maintains its shape. Give the equation for the new front and plot the new position of the front.

A. y = (x - 1.2)- 3.4

N
     
S

B. y = (x - 1.2)+ 3.4
N
     
S

C. y = - (x + 1.2)- 3.4
N
     
S

D. y = (x + 1.2)- 3.4
N
     
S

Mathematics

Determine whether the improper integral converges or diverges.

A. Converges B. Diverges

Mathematics

Solve the problem.The maximum weight for an elevator is 1600 pounds. You need to move boxes each weighing 40 pounds, and you weigh 155 pounds. Write an inequality that can be used to determine the maximum number of boxes that you can place in the elevator at one time. Assume only you and the boxes are in the elevator.

A. 155 + 40n ? 1600 B. 1600 + 155 ? 40n C. 155 + 40n ? 1600 D. 1600 - 155 ? 40n

Mathematics