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Home > CALC > Chapter 1 > Lesson 1.3.1 > Problem 1-102

1-102.

What values of x would make f(x) undefined or imaginary?

When x² + 4 = 0.

D = (−∞, ∞)

What values of x would make f(x) undefined or imaginary?

When x² + x = 0 and when x + 2 < 0.