is the function f(x) = 4 - 7x^5 a polynomial function? if so, state its degree and leading coefficient.

a. f(x) is not a polynomial function.
b. f(x) is a polynomial function. the degree is 7 and the leading coefficient is 4.
c. f(x) is a polynomial function. the degree is 5 and the leading coefficient is negative 7.
d. f(x) is a polynomial function. the degree is 5 and the leading coefficient is 4.

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax

Calculate the total payback for a $3,500 loan at 8% annual interest with monthly payments for two years. show all of your steps. use the formula, m = pm(1 + m)^na/(1 + m)^na - 1, as needed.