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A cyclist is riding on a path modeled by f(x)= 0.08x where f and f(x) are measured in miles. Find the rate of change in elevation when x = 2

## Homework Equations

(f(∆x + x ) - f(x))/∆x

∆x[tex]\stackrel{lim}{\rightarrow}[/tex] 0

## The Attempt at a Solution

I plugged everything into the formula and got

.00008 / .0001 = .08.

Is this the correct answer?

I think I'm doing something wrong here.