Ethan worked for 2 3/4 hours and earned $20.90. How much would he make if he worked for 7 1/4 hours?

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!