⟟ need help with this please someone and please don’t do links

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Arational number that is equivalent to -20/4?