Hello!
-7 + 4 = -3
I hope this helps you! Have a lovely day!
-Mal
The rule in vector notation for the translation to the right is described by the following formula:

Vectorially speaking, a translation is described by the following expression:
(1)
Where:
- Original point.
- Translated point.
- Translation vector.
By direct inspection we see that parallelogram C'D'E'F' translated to the right is moved 9 in +x direction and 4 in -y direction. Hence, the translation vector is equal to:
And the rule in vector notation for the translation to the right is described by the following formula:

We kindly invite to check this question on translations: brainly.com/question/12463306
Answer:
The area of the grass covered by the sprinkler water is approximately 78.54 feet^2