Which expressions are in their simplest form? Check all that apply. 1
+x?
-9
1
X
-
y
1
1
1
tul
1
3
x + -
y
-t
x-y-4

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

it is not that hard all u have to do is plot the graph

step-by-step explanation: