An electrican charges 40$ to come to your house. she also charges $55 for each hour that she works. the electrician charges you a total of $190.how many hours does the electrician work at your house? use h for the number of hours

190= 55h+40
Subtract 40
150=. 55h
Divide by 55
H= 2.7 hrs
More than 2 1/2 hrs

First locate the turning point (vertex) of the graph. which is at the coordinates x=5 and y=9 or (5; 9).to determine whether it's a maximum or mininum value, you have to discern whether the vertex's y-value is the highest value or lowest value the graph can reach. since the vertex's y-value, 9 is the highest value the graph can reach, it will be a maximum.another basic way to determine whether the vertex's value is max or min is to see if the graph is smiling or sad. if it's smiling, the turning point/vertex would be a minimum, while a sad parabola would have a maximum y-value at the vertex.

13,000 : lokiyou can do this