A is your answer for the Fatima's age one
C is question 1
Can u show a picture what your talking about
A relation are two sets of elements noted as input and output. Within relations, the input and the output have something in common.
A function is also about input and output but in a function, the input has nothing in common with the output.
4(5) - 2 =
20 - 2 =
18
Your answer is D
