Solve the problem.If x varies inversely as v, and x = 30 when v = 4, find x when v = 20.
A. x = 16
B. x = 5
C. x = 6
D. x = 24
Answer: C
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Solve the problem.f(x) = log2(x + 2) and g(x) = log2(x - 1).Solve f(x) = g(x). Do the graphs of f and g intersect? If so, where?
A. {3}, (3, log2(2)) B. {3}, (3, log2(3)) C. {3}, (3, log2(5)) D. No solution. No intersection.
Write out the terms of the series.
A. 
+ 
+ 
+ 
+ 
B. 
+ 
+ 
+ 
C. 
D. 
+ 
+ 
+ 
+ 
Provide an appropriate response.Solve: 
= x - 4
Fill in the blank(s) with the appropriate word(s).
Use a graphing calculator to plot the data and find the quadratic function of best fit.A small manufacturing firm collected the following data on advertising expenditures (in thousands of dollars) and total revenue (in thousands of dollars). 
Find the quadratic function of best fit.
A. R(x) = -0.015x2 + 4.53x + 6123 B. R(x) = -0.024x2 + 7.13x + 6209 C. R(x) = -0.31x2 + 2.63x + 6128 D. R(x) = -0.091x2 + 5.95x + 6337