Question: The function f left parenthesis x right parenthesis equals StartFraction 90 Over 1 plus 270 e Superscript negative 0.122 x EndFractionf(x)= 90 1+270e0.122x models the

The function f left parenthesis x right parenthesis equals StartFraction 90 Over 1 plus 270 e Superscript negative 0.122 x EndFractionf(x)=

1+270e0.122x models the percentage, f(x), of people x years old with a certain disease.Use this function and a calculator with an e Superscript xex key to evaluate f left parenthesis 77 right parenthesisf(77) and describe what this answer means in practical terms.

f(7777)almost equalsnothing% (Round to one decimal place.)

In practical terms, this means the following.

About nothing% of nothing-year-olds have the disease.

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