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AP® Calculus AB-BC

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Moderate

Another One-sided Limit

APCALC-DNTUYT

Let:

$$ f(x) = \left\{ \begin{array}{ll} x^2-7 & \quad x \lt -1 \\\ -\frac{2}{3}x+2 & \quad x \geq -1 \end{array} \right.$$

What is:

$$\lim \limits_{x \to -1^+} f(x)?$$

A

$\cfrac{8}{3}$

B

$\cfrac{4}{3}$

C

$-9$

D

$-6$