Question

The rate of change of f (x)=3x+5in the interval [2,5] equal

Answer 1

Answer:

The average rate of change over an interval [a,b] is

f(b)−f(a)b−a

Thus, the average rate of change of f(x)=x2+3x−5 on [0,2] is

f(2)−f(0)2−0=5−(−5)2=5