Find the slope of a line tangent to the given curve at the given point.y = 23 cos x; x = 
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Find the inverse of the matrix by using a graphing calculator.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the exponential expression.(2.3)3
A. 6.9 B. 1.2167 C. 12.167 D. 121.67
Mathematics
Write the inequality in interval notation.-2 < x < 1
A. [-2, 1] B. [-2, 1) C. (-2, 1) D. (-2, 1]
Mathematics
Divide.
A. 
+ 
i
B. 
- 
i
C. - 
- 
i
D. - 
+ 
i
Mathematics