Answer:
domain is {4,5,6,7,8}, range is the other numbers in brackets
Step-by-step explanation:
7= 16 + 3x
7-16 = 3x
-9 = 3x
x = (-9)/(3)
x = -3
(68 + 82 + 87 + 89 + x) / 5 > = 80
(326 + x) / 5 > = 80
326 + x > = 80 * 5
326 + x > = 400
x > = 400 - 326
x > = 74.......u would have to make at least a 74 to earn a B
Hm, it seems like his answer is off. The image is what I got.
Answer:
yus
Step-by-step explanation: