Which term would be combined with the constant +2 in the expression -8x^2 + 3x + 2? answers: x^2, -8x^2, 3x, none. plz ! i’m so confused right

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.

What is the value of x in the diagram below?

This is so hard and it’s for a test