Carolyn paid a mechanic x dollars per hour for a 5 hour job plus $70 for parts. the total was $320. which equation can be used to determine how much the mechanic charged charged per hour?

answer

see attachment

explanation

the given function is

this function has y-intercept at

-4 and a slope of 2.

note that, the graph has a positive slope.

the graph that represents this function is the straight line that moves upward from left to right.

the graph touches the y-axis at -4.

the correct choice is the graph shown in the attachment.

ou would have 12 of each