Question

1 (a) Find the domain of the function = 4 − 2 if its range is R={2,6}

Answer 1

Answer:

R={(x,x+5):x∈{0,1,2,3,4,5}}

⇒R={(0,5),(1,6),(2,7),(3,8),(4,9),(5,10)}

∴ Domain of R={0,1,2,3,4,5}

Range of R={5,6,7,8,9,10}