Can y'all answer all of them and help me understand what domain and range is?

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Please, no more than 2-3 questions per post.

#1:  domain:  set of all real numbers; range:  all real numbers from minus infinity to +4

#8:  Domain:   x = 4; range:  all real numbers

The domain of a function is the set of input values (often x-values) for which the function is defined; that is, for which a graph exists.

The range of a function is the set of all possible output values (which does not mean "all real numbers."

5) d: ( -infinty, infinty)

    r: ( 4, -infinty)

6) d:  (-5, 5)

    r: ( -4, 5)

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sure i'm up for it

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7/2

(decimal: 3.5)

welcome ; )

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