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Rectangle ABCD was rotated 90° counterclockwise around the origin and then translated 8 units down.
Step-by-step explanation:
-5(4a) = (-5a)4
(By commutative property of multiplication)
The discontinuity are the point wherein the function is not defined.
The zeros are the points wherein f(x)=0.
Computing the discontinuity points:
Set

then the discontinuity point is at

.
Comptine the zeroes:
Set

Compute the discriminant:

Then with quadratic formula we get the solutions:

The two zeros are