Provide an appropriate response.Find the value of tan ? if sec ? = 
and given that the terminal side of ? lies in Quadrant IV.
A. - 
B. - 
C. - 
D. - 
Answer: D
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Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
y = 
y = -1
A. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = 1, f(x) is not differentiable at 
B. Since limx?-1+ f '(x) = -1 while limx?-1- f '(x) = 0, f(x) is not differentiable at 
C. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = -1, f(x) is not differentiable at 
D. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = 0, f(x) is differentiable at 
Convert the mixed number into an improper fraction.3
A. 
B. 
C. 
D. 
Provide an appropriate response.Find the 8th term of the geometric sequence whose first term is 6 and whose common ratio is -3.
A. 39,366 B. -15 C. -13,122 D. -13,118
Simplify.-10.506 + (-4.601) - 7.77 - 4.222
A. 3.115 B. -6.087 C. -27.099 D. -17.897