Use the Associative Property of Addition to write an expression equivalent to (x + 7) + 2 . Which expression is equivalent to (x + 7) + 2 by the Associative Property of Addition?

A. 2 + (x + 7)
B. x + 7 + 2
C. x + (7 + 2)
D. (x + 2) + 7 ​

Explanation is in the file

cutt.ly/zxt1ipy

that is the sum

step-by-step explanation:

there are no other answers without knowing the variables values

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: