Write a recursion formula for the sequence.-7, 5, 17, 29, . . .
A. an = an-1 + 12, a1 = -7
B. an = an-1 + 13, a1 = -7
C. an = an-1 - 12, a1 = -7
D. an = an-1 - 13, a1 = -7
Answer: A
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Express the number as the ratio of two integers.0.77777 . . .
A. 
B. 
C. 
D. 
Evaluate the integral by using a substitution prior to integration by parts.
A. x[cos (ln x) + sin (ln x)] + C
B. x cos (ln x) + sin (ln x)+ C
C. 
[cos (ln x) - sin (ln x)] + C
D. 
[cos (ln x) + sin (ln x)] + C
Solve the problem.Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 2012 to 2017. Find the slope of the model between 2014 and 2016.
A. 275 B. 265 C. 530 D. 345
Write a system of linear inequalities that has the given graph.
A. 
B. 
C. 
D. 