A 9 minute video is 3 times the length of the 3 minute movie ( 9 / 3 = 3) so it will take her 3 times as long to edit it.
4 hours x 3 = 12 hours.
It will take her 12 hours.
Answer:
Subtracting a negative number
Answer:
Zero.
Step-by-step explanation:
The minimum value is where the function touches the x axis , at y = 0.