Answer:
-3y-3/4+7y+1/4-3x
I hope It's the right answer!
The distance to the sun from Earth written as a whole number is 93,000,000 miles. This is because 10^6 power equals 1 million and you multiply that by 93 on order to get 93,000,000.
6a. n=600
6b. n=6
6c. n=1/6
6d. n=50
7. The answer is -55.8 or 7c.
All I had time to do but might edit answer later.
Answer: Yes it is a function.
This is because any x input leads to exactly one y output.
The graph passes the vertical line test. It is impossible to draw a single vertical line through more than one point on the parabolic curve.