What is the range of this relation

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

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph