Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: never; decreasing: (-?, ?)
B. increasing: (-?, 0]; decreasing [0, ?)
C. increasing: (-?, ?); decreasing: never
D. increasing: [0, ?); decreasing (-?, 0]
Answer: B
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Solve the problem.Devise a preference schedule with three candidates in which the top-two runoff system violates Fairness Criterion 3. Explain.
What will be an ideal response?
Solve the equation for y.x = 3y + 7
A. y = 
x - 7
B. y = 
x - 
C. y = x - 
D. y = 3x - 7
Solve the problem. Round to tenths where necessary.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 4.5 hundred thousand B. 5.5 hundred thousand C. 5 hundred thousand D. 4 hundred thousand
Solve the problem. Express your answer in simplest form.Annie must send two packages. One of the packages weighs 15
lb and the other weighs 3
lb What is the total weight of the two packages?
A. 19
lb
B. 18
lb
C. 17
lb
D. 15
lb