Let f be the function defined by f(x) = 2x^3 -x Which of the following expressions is the average rate of change off on the interval [1, 3]? A) (f(3)-f(1)) /( 3-1)
B)(f(3)+f(1)) / 2
C)f(3)-f(1)
D)(f(3)+f(1)) /( 3+1)

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graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

step-by-step explanation:

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation: