What exactly is it you need help with?
He didn’t multiply by 4 first
The first function is y = 4x + 5 so the slope is 4
To find the slope of the second function, do rise or run which is 6-10/1-3 = 2
since 4 is greater than 2, function 1 is greater so the answer is the second choice.
No. they change because you are changing the size of the shape
