PRE CALC, PLEASE HELP

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.