Question

The mapping diagram shows a functional relationship. Complete the statements.

Answer 1

f(4) =
`(1)/(2)`

x = 8

Explanation:

f(4) =
`(1)/(2)` [ image of 4 is
`(1)/(2)`]

f(x) = 4

then x = 8 [ the preimage of 4 is 8]