13 -2 3. 4-2 0 1 and x (a) compute b-, ax. (b) write b as a linear combination of the columns ofa.

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.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Which expression is rational? 6. , square root two, square root 14, square root 49