Calculate the derivative of the function. Then find the value of the derivative as specified.
t =1 if r = 
A. 
= - 
; 
t =1
= - 
B. 
= 
; 
t =1
= 
C. 
= 
; 
t =1
= 
D. 
= - 
; 
t =1
= - 
Answer: C
Mathematics
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A. {u, w, z} B. {q, s, y} C. {q, s, u, w, y, z} D. {u, w, y, z}
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Evaluate the integral.
A. 
ln
+ C
B. ln
+ C
C. 
+ C
D. 9 cot-1t + C
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Write the inequality in interval notation.2 ? x < 6
A. (2, 6] B. [2, 6] C. [2, 6) D. (2, 6)
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Expand the expression.log6 
A. 8 log6 x - 
log6 y + 
log6 z
B. 8 log6 x - 
log6 yz9
C. 8 log6 x - 
log6 y - 
log6 z
D. 
Mathematics