AP CALCULUS · Limits · Foundations

Limits: Evaluate math.

Continuity, one-sided limits, standard forms.

Try the problem

Evaluate lim⁡x→∞5x2−12x2+7\lim_{x\to\infty}\dfrac{5x^2-1}{2x^2+7}.

Hint and answer

Concept to use

Direct substitution when continuous.

Hint

Divide by x2x^2.

Answer

5/2

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