Question

f={(1,4),(2,-1),(3,-1)} then range of (f^2-1) is​

Answer 1

Answer:

: Which of the following relations are functions? Give reasons. If it is a function determine its domain and range.

(i) {(2,1), (5,1), (8,1), (11, 1), (14,1), (17,1)}

Solution: Because to each of first element of the ordered pair and there corresponds exactly one second element, hence it is a function.

Domain = {2, 5, 8, 11, 14, 17}

Range = {1}

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