Solve the problem.Kevin invested part of his $10,000 bonus in a certificate of deposit that paid 6% annual simple interest, and the remainder in a mutual fund that paid 11% annual simple interest. If his total interest for that year was $800, how much did Kevin invest in the mutual fund?
A. $3000
B. $5000
C. $4000
D. $6000
Answer: C
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Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.10 as soon as you get in the taxi, to which a charge of $1.70 per mile is added. Find an equation that can be used to determine the cost, C, of an x-mile taxi ride, and use this equation to find the cost of a 3-mile taxi ride.
A. $8.10 B. $7.08 C. $7.20 D. $7.38
Choose the equation that matches the graph.
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = ex and y = x2 + 3
A. x ? 1.873123 B. x ? 1.762023 C. x ? 1.373123 D. x ? 1.873233
Find the intervals on which the function is continuous.y = 
- 5x
A. discontinuous only when x = -5 B. discontinuous only when x = 5 C. continuous everywhere D. discontinuous only when x = -10