I NEED HELP REALLY REALLY FAST

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

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .