


with that template in mind, let's check

<---- so the parent function will then be y = 7⁻ˣ
A = 3 it shrinks, in relation the y-axis, by a factor of 3 times, so is narrower.
B=-1 well, it flips it sideways, reflection over the y-axis.
D= +2 well, that's just a vertical shift of 2 units.