Solve the problem.Kevin invested part of his $5000 bonus in a certificate of deposit that paid 2% annual simple interest, and the remainder in a mutual fund that paid 4% annual simple interest. If his total interest for that year was $140, how much did Kevin invest in the mutual fund?
A. $2000.00
B. $4986.00
C. $4846.00
D. $2140.00
Answer: A
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Find the values of x that satisfy the given condition for the function.Solve R(x) ? 0 if R(x) = 
A. (6, ?) B. [-9, 6) C. (-?, -9] ? (6, ?) D. (-?, -9]
Solve the problem.At a local grocery store the demand for ground beef is approximately 50 pounds per week when the price per pound is $4, but is only 40 pounds per week when the price rises to $5.50 per pound. Assuming a linear relationship between the demand x and the price per pound p, express the price as a function of demand. Use this model to predict the demand if the price rises to $5.80 per pound.
A. p = 0.15x + 11.5; 38 pounds B. p = 11.5x + -0.15; 40 pounds C. p = - 0.15x + 11.5; 38 pounds D. p = - 0.15x - 11.5; 40 pounds
Write the expression in the form a + bi.
A. - 
- 
i
B. - 
+ 
i
C. 
- 
i
D. 
+ 
i