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  1. AP Calculus
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Limits and Continuity

Question 1
college-boardCalculus AB/BCAPExam Style
1 mark

Suppose we know that (∀x>c)(m≤f(x)≤M)(\forall x > c)(m \leq f\left( x \right ) \leq M )(∀x>c)(m≤f(x)≤M). What can be said about (lim⁡x→c+f(x))(\lim _ { x \to c ^ + } f ( x ))(limx→c+​f(x))

Question 2
college-boardCalculus AB/BCAPExam Style
1 mark

What is the limit of f(x)=ex−1xf(x) = \frac{e^x - 1}{x}f(x)=xex−1​ as xxx approaches 0?

Question 3
college-boardCalculus AB/BCAPExam Style
1 mark

For what value of kkk will the Squeeze Theorem confirm that lim⁡n→∞cos⁡(kn)n=0\lim_{n \to \infty} \frac{\cos(kn)}{n} = 0limn→∞​ncos(kn)​=0, given that −1n≤cos⁡(kn)n≤1n-\frac{1}{n} \leq \frac{\cos(kn)}{n} \leq \frac{1}{n}−n1​≤ncos(kn)​≤n1​ for all positive integers nnn?

Question 4
college-boardCalculus AB/BCAPExam Style
1 mark

If sin⁡(x)\sin(x)sin(x) is squeezed between −1-1−1 and 111, what does this imply about lim⁡x→0sin⁡(x)\lim_{x \to 0} \sin(x)limx→0​sin(x) according to the Squeeze Theorem?

Question 5
college-boardCalculus AB/BCAPExam Style
1 mark

As x approaches a, which condition must be satisfied in order to apply the Squeeze theorem to f(x)?

Question 6
college-boardCalculus AB/BCAPExam Style
1 mark

What is the limit of f(x)=1−cos⁡(x)x2f(x) = \frac{1 - \cos(x)}{x^2}f(x)=x21−cos(x)​ as xxx approaches 0?

Question 7
college-boardCalculus AB/BCAPExam Style
1 mark

If lim⁡x→0f(x)=0\lim_{x \to 0} f(x) = 0limx→0​f(x)=0 and lim⁡x→0g(x)=0\lim_{x \to 0} g(x) = 0limx→0​g(x)=0, which of the following must be true for h(x)=x2sin⁡(1x)h(x) = x^2 \sin\left( \frac{1}{x} \right)h(x)=x2sin(x1​) as xxx approaches zero?

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Question 8
college-boardCalculus AB/BCAPExam Style
1 mark

What does the Squeeze Theorem state?

Question 9
college-boardCalculus AB/BCAPExam Style
1 mark

When applying the Squeeze Theorem to determine lim⁡x→−∞h(x)\lim_{x \to -\infty} h(x)limx→−∞​h(x) given that for all x, sin⁡2xleqh(x)leqx4\sin^2{x} \\leq h(x) \\leq x^4sin2xleqh(x)leqx4, what conclusion can we draw if any?

Question 10
college-boardCalculus AB/BCAPExam Style
1 mark

Given that f(x)f(x)f(x) is squeezed between g(x)=x2sin⁡(1x)g(x) = x^2 \sin\left( \frac{1}{x} \right)g(x)=x2sin(x1​) and h(x)=−x2h(x) = -x^2h(x)=−x2, what is lim⁡x→0f(x)\lim_{x \to 0} f(x)limx→0​f(x) if it exists?