The answer would be H. All you have to do for a problem like this in the future are to add the 3 different angles together and make sure they equal 180 degrees.
Simple....
What is equivalent to 7(x-3)?
Distributing....
7*x=7x
7*-3=-21
7x-21
Thus, your answer.
D
For these type of problems download photo math
It’ll be faster than here with steps!
The answer is A) <span>Increasing: x < 7; decreasing: x > 7</span>