Algebra 2 .
can somebody me find the answer

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is