For the given slope of line l1, (a) find the slope of line a l2 parallel to l1, and (b) find the slope of a line l3 perpendicular to l1.m = - 
A. (a) 6; (b) - 
B. (a) 9; (b) - 
C. (a) - 
; (b) 6
D. (a) 
; (b) -6
Answer: C
Mathematics
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Evaluate the integral. 
A. 
+ 
sin-1 
+ C
B. 
+ 
sin-1 
+ C
C. sin-1 
+ C
D. 
- 
ln 
+ C
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Find the derivative at each critical point and determine the local extreme values.y = x2/3(x2 - 9); x ? 0
A. 
B. 
C. 
D. 
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Use reference angles to find the exact value of the expression. Do not use a calculator.cot 
A. 
B. 
C. - 
D. -
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Provide an appropriate response.A prime number is any number larger than 1 that is divisible only by itself and 1.
A. True B. False
Mathematics