What is the value of 3×5+6×2+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.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?