What is the constant of proportionality?

9 is the constant propertionality

Step-by-step explanation:

it goes 1 to 9

then 2 to 18

every time the hours go up, your money will raise $9

.

step-by-step explanation:

.

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)