H=A/0.5b isolate h
h=2A/b Make all terms integers (optional)
0.7154 is the product for 0.98×0.73
<span>Y(−3, 4) is the original
</span><span>(x, y) → (x − 2, y + 1) is the rule you're using
(-3, 4) </span>→ (-3 - 2, 4 + 1)
(-3, 4) → (-5, 5)
<span>Y'(–5, 5)</span>
the commutative property was used
