For f(x) = 4x - 1 if x < 3; x^2 if x ≥ 3, what is the left-hand limit at x = 3?

Continuity & Differentiability · Question 2 of 125

Question 2

EasyOriginal question

For $f(x) = \begin{cases} 4x - 1, & x < 3 \\ x^{2}, & x \ge 3 \end{cases}$ , what is the left-hand limit at $x = 3$ ?

9

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10

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11

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12

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CorrectNot quiteAnswer C

Correct answer: C

Worth noting

9 is the right-hand piece at 3; the left limit uses $4x - 1$ .

Ten questions from Continuity & Differentiability, at your own pace.

Ten questions from Continuity & Differentiability, at your own pace.