Records indicate that x years after 2008, the average property tax on a three bedroom home in a certain community was T(x)=30x2

Question

Records indicate that x years after 2008, the average property tax on a three bedroom home in a certain community was T(x)=30x2 + 45x + 400 dollars. At what rate was the property tax increasing with respect to time in 2008?
$60 per year
$400 per year
$105 per year
$45 per year

Kunduz · Accepted Answer

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