Help me my grades are due tomorrow

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

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.