Use a graphing calculator to plot the data and find the quadratic function of best fit.The following table shows the median number of hours of leisure time that Americans had each week in various years.
Use x = 0 to represent the year 1988. Using a graphing utility, determine the quadratic regression equation for the data given. Round values to the nearest hundredth. What year corresponds to the time when Americans had the least time to spend on leisure?
What will be an ideal response?
M(x) = 0.04x2 - 1.21x + 26.03; 2003
Mathematics
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Provide an appropriate response.Simplify: 
A. 2y5
B. 2y5
C. 2
D. 3y5
Mathematics
Solve the problem.Two bacteria are placed in a petri dish. The population will double every day. The formula for the number of bacteria in the dish on day t is N(t) = 2(2)twhere t is the number of days after the two bacteria are placed in the dish. How many bacteria are in the dish seven days after the two bacteria are placed in the dish?
A. 98 B. 256 C. 28 D. 11
Mathematics
Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 5k3q4 
B. 5k7q8 
C. 5k3q4 
D. 5q4 
Mathematics
Find the exact circumference of the circle in terms of ?.
A. 729.01? units B. 54.2? units C. 13.5? units D. 27.1? units
Mathematics