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
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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
Provide an appropriate response.Simplify: 
Fill in the blank(s) with the appropriate word(s).
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
Evaluate the polynomial.4x2 + 2x - 7for x = -3
A. 13 B. -25 C. 19 D. 23