Practice problem
Find the rate of change of the function f(x)=2x2+1f(x) = 2x^2+1f(x)=2x2+1 from x1=2x_1 = 2x1=2 to x2=4x_2 = 4x2=4.
112\frac{1}{12}121
111
111111
121212
Type a concept, like “slope” or “photosynthesis”.
