Write the number in scientific notation.89,000,000
A. 8.9 × 10-6
B. 8.9 × 107
C. 8.9 × 10-7
D. 8.9 × 106
Answer: B
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Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = 3 - (x + 4)4
A. 
B. 
C. 
D. 
Solve the problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 
on a side is 81 g, find the weight of the liquid in a cubical container 4 cm on a side.
A. 52 g B. 192 g C. 64 g D. 12 g
Solve the problem.A rock falls from a tower that is 176 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h = 0)?
A. 13.3 s B. 1936 s C. 3.3 s D. 12.6 s
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?