Can someone help me with 8/10=7 for the answer??

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.

State if it is acute obtuse or right

Find an equation of variation where y varies directly as x and y 75 when x5, findy when x is 1