Find the root.
A. Not real number
B. 6.233
C. 16
D. 4
Answer: D
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Provide an appropriate response.Which has more significant digits?
A. 20,050 B. 25,000 C. 20,005 D. 20,500
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 29th. 
A. 40 inches B. 16 inches C. 11 inches D. 19 inches
company introduces a new product on a trial run in a city. They advertised the product on television and found the percentage P of people who bought the product after t ads had run satisfied the function 
(a) What percentage buys the product after the ad has been been run 1 time, 5 times, 20 times? (b) Find the rate of change P?(t ). (c) Sketch a graph of the function.
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hour did the temperature increase the most?
A. 1 p.m. to 2 p.m. B. 10 a.m. to 11 a.m. C. 12 p.m. to 1 p.m. D. 9 a.m. to 10 a.m.