Which expression is a polynomial?

a. 9x^7y^-3z
b. 4x^3-2x^2+5x-6+1/x
c. -13
d. 13x^-2

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

Match each inequality to the number line that represents its solution

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.