Answer:

Step-by-step explanation:
Given
, start by squaring both sides to work towards isolating
:

Recall
and
:

Isolate the radical:

Square both sides:

Expand using FOIL and
:

Move everything to one side to get a quadratic:

Solving using the quadratic formula:
A quadratic in
has real solutions
. In
, assign values:

Solving yields:

Only
works when plugged in the original equation. Therefore,
is extraneous and the only solution is 
m<CAE = 90: definition of perpendicular
p.s. ty for this!
Answer: I uploaded the answer to a file hosting. Here's link:
Step-by-step explanation:
Answer:
It is option 1
Step-by-step explanation:
domain is x and the two points range from -1 to 3. The picture quality wasn't that good so if I miss read sry. haha
1. Y=4
2. Y=2
3. Y=X
4. Y=2
(X,Y)
i hope this helps
Step-by-step explanation: