Which of the following are polynomial functions? Check all that apply.
A. F(x) = 3x-^3 - 19
B. F(x) = 2x^2 + 5x - 3
C. F(x) = -x^3 + 5x2 + 7x - 1
D. F(x) = -x^3 + sq -x
E. F(x) = 3/5x^4 - 18x^3 + x^2 - 10x + 3.5

Find the value of the variable and the length of each secant segment

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.