Simplify the fraction.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the slope of the curve at the given point P. y = x2 + 5x, P(4, 20)
A. 13 B. 21 C. 3 D. 9
Mathematics
Solve by graphing. Label the axes and show where the solution is located on the graph.The cost, T, in hundreds of dollars, of tuition at one community college is given by 
where c is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 12 credits.
A. About $1800 B. About $1500 C. About $1900 D. About $700
Mathematics
Find the exact value by using a sum or difference identity.sin 165°
A. - 
B. -
(
+ 1)
C. -
(
- 1)
D. 
Mathematics
Use Lagrange Multipliers to solve the given problem.
?
Find the maximum value of 
subject to 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics