SOLUTION: 20.
Identify a transformation of the function ƒ(x) = x2 by observing the equation of the function g(x) = (x + 80)2.
1--A horizontal shift 80 units to the left.
2--A verti
1--A horizontal shift 80 units to the left. <<<---=== This one.
2--A vertical shift 80 units downward.
3--A vertical stretch by a factor of 80.
4--A horizontal shift 80 units to the right.