Y = 4/x
so when x = 1 y = 4/1 = 4
answer is A. (1,4)
Answer:

Step-by-step explanation:
remember that,
<u>if a side of a triangle is extended then exterior angle so formed equal to the sum of the two opposite interior </u><u>angles</u>
thus our equation is

cancel out 86° from both sides:

hence,
the measure of the missing angle is 49°
B is a function because a function cannot have an X value with more than one Y value.
Answer:
Definition of Midpoint
Step-by-step explanation:
Since T is the midpoint then it is equadistant from R to T and T to S