With #10, i know this is probably easy, but it's not for explain how you got your answer thx!

D is the correct answer. 15,659,999 look at the number in the ten thousands place it's a 5 which means you round the number in the hundred thousands place which was a 6 to a 7.

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:

30005

yes ok