ANSWER
Domain:

Range:

EXPLANATION
The domain refers to the values of x for which the function is defined.
The least value of x is 0.
Therefore the domain is
![[0,\infty]](https://tex.z-dn.net/?f=%5B0%2C%5Cinfty%5D)
.
or

The range refers to values of y for which x is defined.
The highest value on the y-axis that the graph can attained is 4. The function decreases without bound.
There the range is
![(- \infty,4]](https://tex.z-dn.net/?f=%28-%20%5Cinfty%2C4%5D%20)
.
or
Answer:
15
Step-by-step explanation:
becayse if you ultipy 5 and three you get 15.
6.20÷4 = 1.55
price per individual dounut =$1.55
1.55×12=18.6
12 donuts =$18.6
(6x+1)(-3x+1)
-18x^2-3x+6x+1
-18x^2+3x+1