Find the integral.
A. 
(y - 1)9 + 
(y - 1)8 + C
B. 
y2 + 
(y - 1)8 + C
C. 
(y - 1)8 + C
D. 
+ C
Answer: C
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Represent the quantity by an integer.$4433 out of debt
A. 4433 B. -4433
Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object hits the ground after falling for 4 seconds, find the height from which the object was dropped.
A. 196 m B. 78.4 m C. 784 m D. 19.6 m
Write the statements Sk and Sk+1.Sn: 1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 
What will be an ideal response?
If M is the theoretical maximum charge that a battery can hold and k is a positive constant that depends on the battery and the charger, the length of time (in minutes) required to charge the battery to a given level C is given by
?
.
?
If 
, how long will it take a battery to reach a 70% charge? Assume that the battery was fully discharged when it began charging. Round your answer to the nearest tenths.
?
A. 4.0 minutes
B. 2.7 minutes
C. 0.2 minutes
D. 9.3 minutes
E. 0.0 minutes