Solve. Give your answer as a mixed numeral.Find the length of the section represented by x in the figure. 
a = 1
b = 7
A. 11
B. 4
C. 5
D. 7
Answer: B
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Graph the function.f(x) = 3x
A. 
B. 
C. 
D. 
Evaluate the integral. 
A. 
- 5 ln
+ C
B. 
- sin-1
+ C
C. -sin-1
- 
+ C
D. 
+ 5 ln
+ C
Solve.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $8 each and a number of necklaces at $9 each. She wrote a check for $1000 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 75 bracelets and 45 necklaces B. 90 bracelets and 30 necklaces C. 85 bracelets and 35 necklaces D. 80 bracelets and 40 necklaces
Solve by graphing.The cost y (in hundreds of dollars) of tuition at one community college is given by the linear equation 
where x 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 14 credits. 
A. $2900 B. $2500 C. $1700 D. $1950