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12.4 Exercise 142

Avg difficulty 2.5

Determine whether or not the given function f f is continuous. If it is continuous, show why. If it is not continuous, state which conditions fail.

f(x)= x 2 −4 f \left(x\right) = \sqrt{x^{2} - 4}

OpenStax Precalculus 2e, 12.4 Derivatives, exercise 142

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.