The axis of symmetry for a function in the form f(x)= x^2+4x-5 is x=-2 what are the coordinates for the vertex of a graph

The equation represents a quadratic function. The graph of a quadratic function is a special type of U-shaped curve called a parabola. By plotting this function, we get the graph of the parabola shown in the figure below.

So, from the figure you can see that this point is and since this point is a minimum.

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers