Solve the problem.The results of an analysis, on the makeup of garbage, done by the Environmental Protection Agency was published in 1990. Some of the results are given in the following table, which for various years gives the number of pounds per person per day of various types of waste materials.
For metals, calculate the average rate of change between 1980 and 1988. Then interpret what this value means.
A. From 1980 to 1988, the number of pounds of metal per person per day decreased by 0.125 per year.
B. From 1980 to 1988, the number of pounds of metal per person per day decreased by 0.00125 per year.
C. From 1980 to 1988, the number of pounds of metal per person per day increased by 0.01 per year.
D. From 1980 to 1988, the number of pounds of metal per person per day decreased by 0.071 per year.
Answer: B
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Completely factor the polynomial or state that the polynomial is prime.x3 + 18x2 + 81x
A. prime B. x(x + 9)(x - 9) C. x(x + 9)2 D. x(x - 9)2
Calculate the return on investment. Round percent to hundredths, when necessary.Calculate the return on investment for 1900 shares of a mutual fund purchased with an offer price of $11.61 if the shares were sold with a NAV of $13.49. The shares paid a dividend of $0.47 per share during ownership.
A. 2.02% (gain) B. -12.14% (loss) C. 20.24% (gain) D. 17.42% (gain)
State whether the function is linear or quadratic.f(x) = 3x + (1.9)2
A. Linear B. Quadratic
Perform the indicated operations. Write the resulting polynomial in standard form.(6x4 + 9x3 - 3x2 - 4) + 
A. 13x18 + 1 B. 3x4 + 3x3 + 11x2 + 12 C. 9x4 + 16x3 - 12x2 + 1 D. 9x8 + 16x6 - 12x4 + 1