Math 105: Exam II Prep - Derivatives, Antiderivatives, & Function Analysis Review, Exams of Calculus

Review questions for exam ii of math 105, covering topics such as finding derivatives, antiderivatives, and analyzing functions. Questions include finding dy/dx for various functions, determining if points lie on a curve, finding tangent lines, and evaluating roots, critical points, and extrema. Additionally, there are questions on sketching functions and adjusting answers for restricted domains.

Typology: Exams

2012/2013

Uploaded on 03/06/2013

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Math 105: Review for Exam II
1. Find dy/dx for each of the following.
(a) y=x2+ 2x+e2+e2x+ ln 2 + l n (2x) + arctan 2
(b) y=x·arctan (5x)
(c) y= ln(tan(2cos(x2)))
(d) y=x+eπ
cos 4 + sin5(6x)
2. Consider the curve defined by x3+y3=9
2xy (known as the Folium of Descartes).
(a) Find dy/dx.
(b) Verify that the point (1,2) is on the curve above.
(c) Find the equation of the tangent line at the point (1,2).
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Math 105: Review for Exam II

  1. Find dy/dx for each of the following.

(a) y = x^2 + 2x^ + e^2 + e^2 x^ + ln 2 + ln (2x) + arctan 2

(b) y =

x · arctan (5x)

(c) y = ln(tan(2cos(x

(^2) ) ))

(d) y =

x + eπ cos 4 + sin^5 (6x)

  1. Consider the curve defined by x^3 + y^3 =

xy (known as the Folium of Descartes).

(a) Find dy/dx.

(b) Verify that the point (1,2) is on the curve above.

(c) Find the equation of the tangent line at the point (1,2).

  1. Find the following.

(a) an antiderivative of y =

1 − 9 x^2

  • x^3 + cos(2x) + e^3

(b) tan(arccos x) (rewritten as an algebraic expression - no trigonometric functions)

  1. Consider the function f(x) = x^4 ex^ with domain all real numbers.

(a) Find the x-value(s) of all roots (x-intercepts) of f.

(b) Find the x- and y-value(s) of all critical points and identify each as a local max, local min, or neither.

(c) Find the x- and y-value(s) of all global extrema and identify each as a global max or global min.

  1. Can the Intermediate Value Theorem be applied to show that f(x) = x + ln x has a root on the interval [1, e]?
  2. You are planning to build a box-shaped aquarium with no top and with two square ends. Your budget is $288. If the glass for the sides costs $12 per square foot and the opaque material for the bottom costs $3 per square foot, what dimensions will maximize the volume? Be sure to show how you know you have found the maximum.