D. is not a function because it has two y values for a single x value. This is said to fail the vertical line test for functions. There must be only one single unique output for each unique input. Otherwise it is not a function...
Answer:
A. angle A and angle Q are right angles.
Step-by-step explanation:
The HL theorem applies to right triangles. The triangles shown are not right triangles unless A and Q are right angles. That is the additional information you need for the theorem to apply.
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Answer:
Its D on Edge 2020
Step-by-step explanation:
The vectors form an obtuse angle of approximately 105°.