9. The demand function for a certain product is given by q = 500-2p. a. Is the demand function one-to-one? Explain why (not). If it is a one-to-one function, is the inverse function also a linear function? Explain why (not). b. Assume that the equation p = 21+0.4t describes how the price p changes in terms of the time t. Is the demand q a linear function of the time? Explain.

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9. The demand function for a certain product is given by q = 500 - 2p.
a. Is the demand function one-to-one? Explain why (not). If it is a one-to-one function, is the inverse
function also a linear function? Explain why (not).
b. Assume that the equation p = 21+0.4t describes how the price p changes in terms of the time t.
Is the demand q a linear function of the time? Explain.
Transcribed Image Text:9. The demand function for a certain product is given by q = 500 - 2p. a. Is the demand function one-to-one? Explain why (not). If it is a one-to-one function, is the inverse function also a linear function? Explain why (not). b. Assume that the equation p = 21+0.4t describes how the price p changes in terms of the time t. Is the demand q a linear function of the time? Explain.
Now assume that the demand function for a certain product q = f(p) is a non-constant general linear
function.
c. Is the function f necessarily a one-to-one function? Explain why (not). If it is a one-to-one
function, is the inverse of f again a linear function? Explain why (not).
d. Assume that the price p evolves as a non-constant linear function of the time t. Is the demand q
a linear function of the time? Explain.
The demand function for a second product, q = g(p), is a quadratic function.
e. Is the function g necessarily a one-to-one function? Explain why (not). If it is a one-to-one
function, is the inverse of g again a quadratic function? Explain why (not).
f. Assume that the price p evolves as linear function of the time t. Is the demand q a quadratic
function of the time? Explain.
Transcribed Image Text:Now assume that the demand function for a certain product q = f(p) is a non-constant general linear function. c. Is the function f necessarily a one-to-one function? Explain why (not). If it is a one-to-one function, is the inverse of f again a linear function? Explain why (not). d. Assume that the price p evolves as a non-constant linear function of the time t. Is the demand q a linear function of the time? Explain. The demand function for a second product, q = g(p), is a quadratic function. e. Is the function g necessarily a one-to-one function? Explain why (not). If it is a one-to-one function, is the inverse of g again a quadratic function? Explain why (not). f. Assume that the price p evolves as linear function of the time t. Is the demand q a quadratic function of the time? Explain.
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