Và LE Hannah is working two summer jobs, making $18 per hour lifeguarding and
$9 per hour clearing tables. Last week Hannah worked twice as many hours
clearing tables as she worked hours lifeguarding hours and earned a total of
$144. Graphically solve a system of equations in order to determine the
number of hours Hannah worked lifeguarding last week, x, and the number
of hours Hannah worked clearing tables last week, y.
Show the Graph

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:

you first to choose the points and then move from then as the slope you have

there were a lot of them but the first one to pop up on a google search was bts