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For the following radical function, use this expression to find 2 y-values; use x-values such as 4, 5, 6, 7, . fractions and decimals would be fine...
For the following radical function, use this expression to find 2 y-values; use x-values such as 4, 5, 6, 7, ... fractions and decimals would be fine too.Why can't values less than 4 be used as replacements for x?