Find the quotient.(x3 + 125) ÷ (x + 5)
A. x2 - 5x + 25
B. x2 - 25x + 5
C. x2 + 25
D. x2 - 5
Answer: A
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Indicate whether the equation represents direct variation, inverse variation, or neither. If it is a variation equation, identify the constant of proportionality.xy = 12
A. inverse variation; k = 12
B. neither
C. inverse variation; k = 
D. direct variation; k = 12
When money is spent on goods and services, those that receive the money also spend some of it. The people receiving some of the twice-spent money will spend some of that, and so on. Economists call this chain reaction the multiplier effect. In a hypothetical isolated community, the local government begins the process by spending D dollars. Suppose that each recipient of spent money spends 100c% and saves 100s% of the money that he or she receives. The values c and s are called the marginal propensity to consume and the marginal propensity to save and, of course, c+s=1. The number k = 1/s is called the multiplier. What is the multiplier if the marginal propensity to consume is 90%?
Select the correct answer. a. 4 b. 3 c. 6 d. 7 e. 10
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.9x2 + 12x + 4 = 0
A. one rational solution B. two nonreal complex solutions C. two irrational solutions D. two rational solutions
Find the total differential of the function 
.
?
A. 
B. ?
C. ?
D. ?
E. ?