MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Determine whether the given function is a polynomial function, a rational function, or some other function. f (x ) = x2 - 1 O polynomial O rational, non-polynomial other State the degree of the polynomial function. (If an answer does not exist, enter DNE.) Need Help? Read It Watch It 2. [-/1.66 Points] DETAILS TANAPMATH7 2.7.004. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Determine whether the given function is a polynomial function, a rational function, or some other function. H(x) = 4x -4 + 2x-3 + 7 O polynomial O rational, non-polynomial other State the degree of the polynomial function. (If an answer does not exist, enter DNE.) Need Help? Read It Watch It 3. [-/1.66 Points] DETAILS TANAPMATH7 2.7.008. MY NOTES ASK YOUR TEACHER Baby Boomers and Social Secrurity Benefits Aging baby boomers will put a strain on Social Security benefits unless Congress takes action. The Social Security benefits to be paid out from 2010 through 2040 are projected to be S(t) = 0.1375t + 0.5185t + 0.72 (0 s t s 3)+ where S(t) is measured in trillions of dollars and t is measured in decades, with t = 0 corresponding to 2010. (Round your answers to two decimal places.) (a) What was the amount of Social Security benefits paid out in 2010? trillion (b) What is the amount of Social Security benefits projected to be paid out in 2040? trillion