a. Is the value of a positive, negative, or zero? Explain. b. Write an expression in terms of a and b that represents the year t when the company had the least revenue. c. The company made the same yearly revenues in 2008 and 2018. Estimate the year in which the company had the least revenue. d. Assume that the model is still valid today. Are the yearly revenues currently increasing, decreasing, or constant? Explain.
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The graph shows a quadratic function of the form R(t) = at2+bt+c, which represents the yearly revenue for a company, where R(t) is the revenue in year t.
a. Is the value of a positive, negative, or zero? Explain.
b. Write an expression in terms of a and b that represents the year t when the company had the least revenue.
c. The company made the same yearly revenues in 2008 and 2018. Estimate the year in which the company had the least revenue.
d. Assume that the model is still valid today. Are the yearly revenues currently increasing, decreasing, or constant? Explain.
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