Solve the problem.Find tan 2?. sin ? = 
, ? lies in quadrant II.
A. 
B. 
C. - 
D. - 
Answer: D
Mathematics
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Give an ?-? proof of the limit fact.
= 
What will be an ideal response?
Mathematics
Let 
. If x is increased by 4%, how is y affected? Round your answer to two decimal places if necessary.
?
A. y is increased by 2.04% B. y is increased by 1.22% C. y is increased by 22.24% D. ?y is increased by 21.67%
Mathematics
Round the number as indicated.9487 to the nearest ten
A. 9490 B. 9590 C. 9500 D. 9480
Mathematics
Solve the equation.x3 + 7x2 - x - 7 = 0
A. {-1, 1, - 7 } B. {- 7, 7 } C. { 49 } D. { 1, - 7, 7 }
Mathematics