Set up an integral for the length of the curve.x = y2 + 7y, 0 ? y ? 7
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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You pay $10 to register at a web site. After registering you pay 59 cents for each song you download. Then the total amount you pay for music at this site is a linear function of the number of songs you download.
Answer the following statement true (T) or false (F)
Mathematics
Find the derivative of the function.s = sin 
- cos 
A. - 
cos 
- 
sin 
B. 
cos 
+ 
sin 
C. cos 
+ sin 
D. 
cos 
- 
sin 
Mathematics
Graph the function.f(x) = -2 - ln x
A. 
B. 
C. 
D. 
Mathematics
Simplify.8b - 6b
A. 2b B. -14b C. 2b2 D. -2b
Mathematics