Find the Average Rate of Change of the Function from X₁

Multiple Choice

Find the average rate of change of the function from x₁ = 0 to x₂ = 3.? $$f ( x ) = 3 x + 10$$ ?

A) The average rate of change from x₁ = 0 to x₂ = 3 is -3.
B) The average rate of change from x₁ = 0 to x₂ = 3 is 3.
C) The average rate of change from x₁ = 0 to x₂ = 3 is -10.
D) The average rate of change from ?x₁ = 0 to x₂ = 3 is 10.
E) The average rate of change from x₁ = 0 to x₂ = 3 is 19.