A car that Sophia wants to buy costs $21,000. She does research and finds that after 14 years the car depreciates to a value of zero. If the car depreciates in straight line form, write the straight line depreciation equation.
What will be an ideal response?
(0, 21,000), (14, 0); 
so the slope is 
Equation: y = -1,500x + 21,000
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Provide an appropriate response.Sketch a graph of f(x) = x2 + 4
What will be an ideal response?
Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2000.
A. 1109 cases B. 416 cases C. 517 cases D. 554 cases
Evaluate the expression.
?
Fill in the blank(s) with the appropriate word(s).
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(
)2(s-1/8y1/6)-4
A. 
B. 
C. 
D. 