Find the domain and range of the inverse of the given function.f(x) = 
x - 3
A. Domain and range: all real numbers
B. Domain: (-?, 3) ? (3, ?); range: (-?, 9) ? (9, ?)
C. Domain: (-?, 9) ? (9, ?); range: all real numbers
D. Domain and range: (-?, 9) ? (9, ?)
Answer: A
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Solve the problem.Let f(x) = x2 + 5x - 7. Find a such that f(a) = 7.
A. 7, 2 B. 7, -2 C. -7, -2 D. -7 , 2
Solve the initial value problem.
= 2x-3/4, y(1) = 9
A. y = 8x1/4 + 72
B. y =- 
x-7/4 + 
C. y = 2x1/4 + 7
D. y = 8x1/4 + 1
Solve the problem.In designing a type of tubing, the expression (D + 0.1)4 is used. Expand this expression.
A. D4 + 0.004D3 + 0.06D2 + 0.004D + 0.0001 B. D4 + 0.4D3 + 0.06D2 + 0.004D + 0.0001 C. D4 + 0.4D3 + 0.06D2 + 0.4D + 0.0001 D. D4 + 0.4D3 + 0.6D2 + 0.4D + 0.1
The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation
?
?
where p is measured in dollars and x is measured in units of a thousand. Titan will make x units of the tires available in the market if the unit price is
?
?
dollars. Determine the consumers' surplus and the producers' surplus when the market unit price is set at the equilibrium price. Round your answers to the nearest dollar.
?
A. CS = $337,012 , PS = $166,346
B. CS = $342,567 , PS = $171,901
C. CS = $343,476 , PS = $172,810
D. CS = $341,333 , PS = $170,667