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2015-02-28T18:26:11+05:30

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1)f(x)=5x-10
domain is (-∞,∞)
range is (-∞,∞)

b)f(x)=15-√x
domain is [0,∞)
range is (-∞,15]

c)f(x)=2|x|+7
domain is (-∞,∞)
range is [7,∞)

d)f(x)=+100
domain is (-∞,∞)
range is (-∞,∞)
1 5 1