Find the average rate of change of g(x) = 4x + 13 over the interval [-3, 0]. Write your answer as an integer, fraction, or decimal rounded to the nearest tenth. Simplify
any fractions.

Asoftball team played ten games, scoring 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 runs. they lost by one run in exactly five games. in each of their other games, they scored twice as many runs as their opponent. how many total runs did their opponents score?