If f is one-to-one, find an equation for its inverse.f(x) = 8x3 - 5

A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) =   + 5 
D. f-1(x) = 


Answer: A

Mathematics

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Determine if the argument is valid or invalid. Give a reason to justify answer.If it is cold, then you need a coat.You do not need a coat.  ? It is not cold.

A. Valid by the law of contraposition B. Invalid by fallacy of the inverse C. Invalid by fallacy of the converse D. Valid by the law of syllogism

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Provide an appropriate response.Simplify: 

Fill in the blank(s) with the appropriate word(s).

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Solve the problem.In a town whose population is 3000, a disease creates an epidemic. The number N of people infected t days after the disease has begun is given by the function N(t) = . Find the number infected after 8 days.

A. 2152 B. 2154 C. 2155 D. 2150

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Evaluate the polynomial.4x2 + 2x - 7for x = -3

A. 13 B. -25 C. 19 D. 23

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