Mikayla is a waitress who makes a guaranteed $50 per day in addition to tips of 20% of all her weekly customer receipts, t. she works 6 days per week. which of the following functions best represents the amount of money that mikayla makes in one week?
a) f(t) = 50 + 20t
b) f(t) = 300 + 20t
c) f(t) = 50 + 0.2t
d) f(t) = 300 + 0.2t

D.

Step-by-step explanation:

We have been given that Mikayla is a waitress who makes a guaranteed $50 per day.

Since Miklaya works  6 days per week, so the guaranteed income for one week would be  

We are also told that she gets tips of 20% of all her weekly customer receipts, t. So amount earned from tips would be 20% of t, that is .

Total amount earned in one week would be guaranteed income for 1 week plus 20% of t:

Therefore, our required function is and option D is the correct choice.

a. the residual plot for model 1 has a random pattern and is a good fit for the data.