A train travels at an average speed of 70 miles per hour for one hour. It stops at a station for a half hour. Then the train travels at an average
speed of 60 miles per hour for another hour.

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:

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation:

you bought 31 v bucks

step-by-step explanation:

25+6=31

answer: i believe it is c

step-by-step explanation:

because 5+4=9 so it would be 3^9