Problema Solution
Sales of SUV's in the US (in millions) for the years 1990-1999 can be modeled by the quadratic function. f(x)+0.016x^2+0.124x+0.787
Here x=0 represents 1990, x=1 represents 1991, and so on. Use the model to approximate sales in 1995. Sales in 1995 were approximately how many million SUV's. Round to the nearest tenth.
Answer provided by our tutors
f(x) = 0.016x^2+0.124x+0.787
x = 5 represents 1995
f(5) = 0.016*5^2+0.124*5+0.787
f(5) = 1.807 millions
f(5) = 1.8 millions rounded to the nearest tenth
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Sales in 1995 were 1.8 millions rounded to the nearest tenth.