Join thousands of students who trust us to help them ace their exams!Watch the first video
Multiple Choice
Given a function , what is the average rate of change of over the interval ?
A
B
C
D
Verified step by step guidance
1
The average rate of change of a function f(x) over an interval [a, b] is defined as the change in the function's value divided by the change in the input values. Mathematically, this is expressed as \( \frac{f(b) - f(a)}{b - a} \).
In this problem, the interval is given as [4, 13]. This means \( a = 4 \) and \( b = 13 \).
Substitute the values of \( a \) and \( b \) into the formula for the average rate of change: \( \frac{f(13) - f(4)}{13 - 4} \).
Simplify the denominator \( 13 - 4 \) to get \( 9 \), so the formula becomes \( \frac{f(13) - f(4)}{9} \).
The correct answer is \( \frac{f(13) - f(4)}{13 - 4} \), which simplifies to \( \frac{f(13) - f(4)}{9} \). This represents the average rate of change of the function over the interval [4, 13].