Graphing Rational Functions — Unit test Answers
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A chemist has 500 mL of a 30% acid solution. She adds x milliliters of a 10% acid solution. Which statement is true about the graph of the function that represents the concentration of the final solution?
A
The horizontal asymptote y = 30 means that the final concentration will always be less than 30%.B
The horizontal asymptote y = 10 means that the final concentration will always be greater than 10%.C
The vertical asymptote x = 500 means that the volume of the solution will always be greater than 500 mL.D
The vertical asymptote x = 0 means that the volume of the solution will always be greater than 0 mL.23
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Lupe can ride her bike at a rate of 20 mph when there is no wind. On one particular day, she rode 2 miles against the wind and noticed that it took her the same amount of time as it did to ride 3 miles with the wind. How fast was the wind blowing that day?
A
4 mphB
7 mphC
10 mphD
12 mph
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