Hi there! The answer is C.
Explanation:
We have the following equation:

To solve this type of equation (with an x in the denominator of a fraction) we must cross-multiply the numerator and the denominator.

Multiply

Divide both sides by 15.

~ Hope this helps you!
Answer is false, because every function is a relation but every relation is not a function :) (Please mark me brainliest)
The anser is a as in apple