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Analytical Applications of Differentiation

Question 1
college-boardCalculus AB/BCAPExam Style
1 mark

If a function f(x)f(x) is increasing on the interval (,+)(-\infty, +\infty), what must be true about its first derivative f(x)f'(x) on that interval?

Question 2
college-boardCalculus AB/BCAPExam Style
1 mark

If limt0+g(t)t=\lim_{{t \to 0^+}} \frac{g(t)}{t} = \infty, what behavior does this suggest about g(t) as t approaches zero from positive values?

Question 3
college-boardCalculus AB/BCAPExam Style
1 mark

What conclusion can be drawn if f(c)<0f''(c)<0 for all values less than but approaching cc from both sides and f(c)>0f''(c)>0 for all values greater than but approaching cc?

Question 4
college-boardCalculus AB/BCAPExam Style
1 mark

If h(x)h(x) is twice differentiable on (,+)(-\infty,+\infty), which statement about h(x)h(x) must be false?

Question 5
college-boardCalculus AB/BCAPExam Style
1 mark

Consider the exponential function ere^r, where ee represents the base of natural logarithm. What can be said about the relationship between its first and second derivatives?

Question 6
college-boardCalculus AB/BCAPExam Style
1 mark

If p(x)=kq(x)p(x)=k \cdot q(x), where k<0k<0 and q(x)>0q(x)>0 xR\forall x \in \mathbb{R} except x=ax=a where q(a)=0q(a)=0 causing p(a)=0p(a)=0 as well; considering pp'' exists everywhere excluding x=ax=a due to lack of smoothness caused by qq'' — what must hold true for qq'' near x=ax=a?

Question 7
college-boardCalculus AB/BCAPExam Style
1 mark

Given a continuous function g(t)g(t) with a critical point at t=ct = c, which scenario implies that there could be a local maximum at that point?

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Question 8
college-boardCalculus AB/BCAPExam Style
1 mark

What does it mean for a graph of a function at a certain point if the second derivative at that point is positive?

Question 9
college-boardCalculus AB/BCAPExam Style
1 mark

Suppose a particle’s position along a line is given by s(t)=t36t2+9t5s(t) = t^3 -6t^2 +9t -5. At what value(s) of t does the acceleration change signs?

Question 10
college-boardCalculus AB/BCAPExam Style
1 mark

If h(p)>0h''(p) > 0 and h(p)=0h(p) = 0, then which of the following must be true?