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Let A= {-1,-2,0,1(5)/(2), 3}, B={-6,-...

Let ` A= {-1,-2,0,1(5)/(2), 3},`
`B={-6,-5,0,1,4,9} and f: A rarr B ` be defined by `f(x)=2x^(2) -3x-5`. Find `f(A).` Is `f(A)=B`?

Text Solution

Verified by Experts

The correct Answer is:
`1 in B` but `1 notin f (A)`; hence , `f(A) ne B`
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