if the paper says: Domain = reals, then isn't the range also {y: y= reals}? thanks please! this is urgent
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Originally Posted by kruton if the paper says: Domain = reals, then isn't the range also {y: y= reals}? thanks no. it depends on the question. the domain and the range are two different things, they are not always equal. for instance, for , the domain is all real x, but the range is all real y that are greater than or equal to zero. so and
the function is y=-5-2X domain = reals range = y greater than or equal to 0 is that right? but why can't y be less than zero?
Originally Posted by kruton the function is y=-5-2X domain = reals range = y greater than or equal to 0 is that right? but why can't y be less than zero? no. the range is all reals as well. like i said IT DEPENDS ON THE PROBLEM. the answers i gave you before were for y = x^2. this is a line, it is different
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