Which of the following is a polynomial? A. X4- 2
B. 1/x+ 2
c. x-2-1
D.(x - 4)/(x + 1)

In mathematics, a polynomial is an expression consisting of variables (also called indeterminates) is called polynomial

i think by this definition you can find your answer by your self

step-by-step explanation:

your mom

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: