Suppose f satisfies the hypotheses of the mean value theorem on [a, b].
let s be the set of all slopes of chords determined by pairs of points on the graph of f and let d = {f'(x) : x ∈ (a, b)}
a) prove that s ⊂ d.
b) give an example to show that d can contain numbers not in s.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Can someone me and plz do the problem

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude