Please help me with this asap

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

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Identify the number 127 as a rational or irrational. explain