This equation shows how the revenue at Jill's Auto Wash depends on the number of customers
d = 18c
The variable c represents the number of customers, and the variable d represents the
revenue. In all, how many customers does Jill's Auto Wash need to serve in order to have a
total of $18 in revenue?

y = 9x

Step-by-step explanation:

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!