Provide an appropriate response.Jessica wanted to solve the following problem: The price of an item increased by 15%. The amount of the increase was $86. What was the price of the item before the increase? She wrote the following equation: 
Do you think this equation will give her the correct answer? If not, what is the correct equation to use? Explain your thinking.
What will be an ideal response?
Answers will vary. The equation is not correct. The correct equation is 
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Provide an appropriate response.Can you find the sum of the first n terms of the geometric series 2 + 4 + 8 + . . . ? Why or Why not?
A. Yes. The common ratio, r, is equal to 1. B. No. The common ratio, r, is greater than 1. C. No. The first n terms do not form a geometric series. D. Yes. The first n terms form a finite geometric series.
Answer the question.If k < 0, what is the solution set of 
= k?
A. ?
B. {0}
C. (-?, ?)
D. {
}
Use a graphing calculator to find the coordinates of the turning points of the graph of the polynomial function in the indicated domain interval. Give answers to the nearest hundredth.f(x) = x3 - 4x - 1; [1, 2]
A. (1.15, -4.08) B. (0, -1) C. (-1.15, 2.08) D. (4, 47)
Evaluate the expression.(g ? f)(4) when f(x) = 
and g(x) = 3x + 1.
A. 
B. -2
C. -4
D. -13