Subtract. Write a mixed numeral for the answer.

A. 13
B. 14
C. 12
D. 13


Answer: D

Mathematics

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The function f is one-to-one. Find its inverse.f(x) = 7x + 8

A. f-1(x) = 
B. f-1(x) =  - 8
C. f-1(x) =  + 8
D. f-1(x) = 

Mathematics

Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Find the equation of the least-squares regression line that models the data

A. y ? 55.8 - 2.79x B. y ? 26.4 + 1.42x C. y ? -26.4 - 1.42x D. y ? 55.8 + 2.79x

Mathematics

Choose the right premise for the given statement and conclusion.

Appeal to Authority Fallacy   My dad said if I ate a lot of sweets, my teeth would fall out.   Conclusion: The teeth will fall out because of sweets. a.  Premise: Dad said eating too many sweets would lead to tooth loss. b.  Premise: Dad said that my teeth would fall out. c.  Premise: Dad said that I couldn’t eat too many sweets. d.  Premise: I eat a lot of sweets.

Mathematics

Solve the problem.The table shows the population of a certain city for selected years between 1950 and 2003.  By using your calculator to find the logistic regression equation that best fits the data, determine when the population of the city will first exceed 271,000.

A. In 2012 B. In 2010 C. In 2018 D. In 2015

Mathematics