Help please find LCM factorization method of down questions marked in red square.

i need it with salution.

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.

Find the cosine function that is represented in the graph.

Iwill give you ! what is the measure of ∠v ?