Please help with this question. I'm stuck and don't know how to do it. Please keep your response easy to follow along with

WK. 7 TOPIC 2: Approximationg Area Q. #3 Given f(x) =6-x . please no the following. Final Answer a) Using the Right Hand Rule with 4 partitions (n = 4). approximate the area under f (x) on the interval [1. 5]. Final Answer b) Using the Left Hand Rule with 4 partitions ( = 4), approximate the area under f (x) on the interval [1. 5] Final Answer c) Using a definite integral, calculate the area under f(x) on the interval [ 1, 5]. d) Why are the three answers different