One gym charges you a $50 sign-up fee and $20 a month. Another charges a $100 sign-up fee and $10 a month. For what number of months is the cost the same?

30005

yes ok                                            

can you put the picture up?

step-by-step explanation:

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex