Is this a function?
{(-1,3); (-2,-3); (2,0); (0,2)}

Find the vertex of the function given below y=x^2-6x+1

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Evaluate the expression for the given value of the variable 7a - 4a for a =8