Solve the equation.
- 
= 0
A. {-7, 3}
B. {-7}
C. ?
D. {3}
Answer: B
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 77 at 
minimum: 13 at 
B. Maximum: 49 at 
minimum: 41 at 
C. Maximum: 81 at 
minimum: 9 at 
D. Maximum: 77 at 
minimum: 13 at 
Mathematics
Evaluate the integral.
A. 
?3
B. 504?3
C. 1176?3
D.
| 1848?3? |
Mathematics
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 140 feet?
A. 1.9 sec B. 3.0 sec C. 2.1 sec D. 4.4 sec
Mathematics
Find the average rate of change of the function as x changes from a to b.h(x)= 2x2; a = 1, b = 5
A. 12 B. -8 C. 8 D. -12
Mathematics