F(x) = x² + 6x+8
What is the vertex

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

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap