Solve the problem. Round your answer, as needed.The rate of return of certain investments increases as the risk factor of the investment increases. An investment with a risk factor of 2 has a rate of return of 5.0%. An investment with a risk factor of 21 has a rate of return of 22.0%. What is the average rate of return per unit of risk?
A. 1.25% per unit risk
B. 1.12% per unit risk
C. 0.89% per unit risk
D. 0.80% per unit risk
Answer: C
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Use the graph of a known basic function and vertical shifting to sketch the function.h(x) = |x| + 3
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Solve.The difference of a number and 6 is the same as 38 decreased by the number. Find the number.
A. -22 B. 16 C. 22 D. -16
Write the function f as a set of ordered pairs. Give the domain and range of f.f(9) = 1, f(9) = -6, f(9) = -1
A. f = {(9, 1), (9, -6), (9, -1)}; D = {9}; R = {-6, -1, 1, 9} B. f = {(9, 1), (9, -6), (9, -1)}; D = {1, 9}; R = {-6, -1} C. f = {(9, 1), (9, -6), (9, -1)}; D = {-6, -1, 1}; R = {9} D. f = {(9, 1), (9, -6), (9, -1)}; D = {9}; R = {-6, -1, 1}
Solve.Jason made an extra $9000 last year from a part-time job. He invested part of the money at an annual rate of interest of 10% and the rest at 8%. If the total annual earnings were $820, how much money was invested at 8%?
A. $4500 B. $4000 C. $7000 D. $5000