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18. FINANCIAL LITERACY The average annual price of crude oil can be modeled by the
cubic function f(x) = 0.2728x^3- 2.612x^2+ 7.02x + 89.18, where x is the number of years after Gena began driving and f(x) is the price in dollars.
a. Graph the function for 0≤ x ≤ 10
b. Describe the turning points of the graph and its end behavior.
c. What trends in crude oil prices does the graph suggest?
d. Is it reasījnable that the trend will continue indefinitely? Explain.

18 FINANCIAL LITERACY The average annual price of crude oil can be modeled by the cubic function fx 02728x3 2612x2 702x 8918 where x is the number of years afte class=

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dpson35

Answer:

you can just substitute x as 0,1,2,3,4.....till 10 and you can express in graph .e.g like

x = 0

f(0) = 0.2728(0)³- 2.612(0)²+ 7.02(0)+89.18

= 89.18

so you can countinous do like that till 10 as it mention in question

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