To find the percent of a number, just turn the percentage into a decimal. To do that just go 2 decimal places to the left. For example, 25% becomes 0.25. Then, just multiply that decimal by the number you're finding the percentage of. That's it!
F(x) = g(x) 3(2) - 4 = (2)² - 2 6 - 4 = 4 - 2 2 = 2 I just substituted all the values in the domain to see which one would work. That's not really the quickest way but that's the only way I know