PLEASE HELP ME!! BRAINLIEST AND 60 POINTS Amber shared her photo with 3 people. They continued to share it, so the number of shares increases every day as shown by the function f(x) = 3(4)x

Please graph this for me, i do not understand how

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Can anyone me with this question?

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?