Thread: domain and range
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Old December 3rd, 2008, 04:42 PM
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Quote:
Originally Posted by euclid2 View Post
State the domain and range of the following functions

a) y=\sqrt x
b) y=2\sqrt(x+3) - 4

a) y=\sqrt x

Domain is [0, \infty)
Range is [0, \infty)

b) y=2\sqrt{x+3} - 4

Domain is [-3, \infty)
Range is [-4, \infty)
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