Question

If f={(6,3),(8,9),(5,3),(1,6)} then the pre-image of 3 are a) 5 & -1 b)6 & 8 c) 8 & -1 d) 6 & 5​

Answer 1

Answer:

The correct option is d

Step-by-step explanation:

Given f={(6,3),(8,9),(5,3),(−1,6)}

Pre-images of 3 are those inputs at which the output is 3

i.e. 6 and 5

Hence option (d) is correct.