Solve by graphing.The population, p, in thousands, of one town can be approximated by p = 4 + 
d, where d is the number of years since the town built a new factory. Graph the equation for d ? 0 and then use it to estimate the population 9 years after the factory was built.
What will be an ideal response?
About 9000
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Use the indicated formula to find the sum.Use S = 
to find the sum of 1 + 2 + 3 + . . . + 825.
A. 339,900 B. 339,076 C. 340,725 D. 340,312
Find the indicated partial sum for the given sequence.s6, 2, 3, 4, 5, . . .
A. 2 B. 12 C. 8 D. 27
Solve the problem.The following data represents the normal monthly precipitation for a certain city in Arkansas. 
Draw a scatter diagram of the data for one period. Find the sinusoidal function of the form 
that fits the data. Draw the sinusoidal function on the scatter diagram. Use a graphing utility to find the sinusoidal function of best fit. Draw the sinusoidal function of best fit on the scatter diagram.
What will be an ideal response?
Find three cube roots for the complex number. Leave your answers in trigonometric form.
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A. 
B. 
C. 
D. 
E. 