Tutorial Exercise Find the x-values at which f is not continuous. Which of the discontinuities are removable? (Enter your answers from smallest to largest. Enter NONE in any unused answer blanks. ) f(x) = x x2−4

Tutorial Exercise Find the x-values at which f is not continuous. Which of the discontinuities are removable? (Enter your answers from smallest to largest. Enter NONE in any unused answer blanks. ) f(x) = x x2−4

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Tutorial Exercise Find the x -values at which f is not continuous. Which of the discontinuities are removable? (Enter your answers from smallest to largest. Enter NONE in any unused answer blanks.)
f ( x ) = x x 2 4

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