Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.30x + 2.57
B. y = 0.32x + 2.57
C. y = 0.30x + 4.29
D. y = 0.32x + 4.29
Answer: A
Mathematics
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Plot the graph and find the value from the graph.The town of Appleville recorded the following dates and populations.YEAR POPULATION (in thousands)1980 23.51985 251990 281995 34
Draw a graph of the population as a function of time. What is the approximate population of Appleville in 2000?
A. 41,000 B. 51,000 C. 46,000 D. 36,000
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Determine if the given polar coordinates represent the same point.(7, ?/2), (-7, 3?/2)
A. No B. Yes
Mathematics
Plot the point.(0, 1)
A. 
B. 
C. 
D. 
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Solve the equation. Write complex solutions in standard form.7x2 + 9x + 3 = 0
A. - 
± i
B. 
± i
C. - 
± 
D. 
± 
Mathematics