Question

a) Let A = {1,2,3,4} B={1,5,9,11, 15,16,} and f: (1,5),(2,9)(3,1),(4,5) (2,11)}
Is f a function from A to B ? Why?
b) draw the graph of function
Y= |x|​

Answer 1

Answer:

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Step-by-step explanation:

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