Factor the expression.4(x + y)4 - 8(x + y)3 + 12(x + y)5
A. 4(x + y)4(-2 + 3x + 3y)
B. (x + y)3[4x + 4y - 8 + 12(x + y)2]
C. 4(x + y)[(x + y)3 - 2(x + y) + 3(x + y)4]
D. 4(x + y)3[x + y - 2 + 3(x + y)2]
Answer: D
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.2 ? y ? 3, 2 ? z ? 3
A. The cube located in the first quadrant and with sides 2 units in length B. The infinitely long square prism parallel to the x-axis C. The square with corners at (0, 2, 2), (0, 2, 3), (0, 3, 2), and (0, 3, 3) D. The line between the points (0, 2, 2) and (0, 3, 3)
Solve the problem.Find the amount of money in an account after 7 years if $1000 is deposited at 4% annual interest compounded quarterly.
A. $1315.93 B. $1319.48 C. $1322.51 D. $1321.29
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 55.3 B. y = 2.5x + 50.4 C. y = 3x + 50 D. y = 54
Write the decimal as a percent.47
A. 0.47% B. 470% C. 4.7% D. 4700%