Concept explainers
In Exercises 13−22, find the limit of each rational function (a) as
13.
Learn your wayIncludes step-by-step video
Chapter 2 Solutions
University Calculus: Early Transcendentals (4th Edition)
Additional Math Textbook Solutions
Calculus and Its Applications (11th Edition)
Thomas' Calculus: Early Transcendentals (14th Edition)
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
- How does one find the domain of the quotient of two functions, fg ?arrow_forwardHow do we determine the domain of a function defined by an equation?arrow_forwardDuring a nine-hour snowstorm, it snows at a rate of 1 inch per hour for the first 2 hours, at a rate of 2 inches per hour for the next 6 hours, and at a rate of 0.5 inch per hour for the final hour. Write and graph a piecewise-defined function that gives the depth of the snow during the snowstorm. How many inches of snow accumulated from the storm?arrow_forward
- Example. Differentiate f(r) (4r- 5x +4(7-). narrow_forwardWhich of the following statements is true of f(x) = -x³-6x²-9x-2? A. fis increasing on (-3,-1) B. fis increasing on (-∞0,-3)(-1,00) C. fis increasing on (-∞0,5) D. fis increasing on (-2,00) E. fis never increasing.arrow_forwardWhat is the domain of if x0 Give the range of f(x) = x< 0 A. (-00, 00) B. (-4, 0) C. (-4, 00) D. (-00, -4) Let g(x) = Vx? – 1 and h(x) = Vx - 1 are functions, what is (g o h)(x)? A. VI B. Vx – 2 C. V2 – x D. V4 - x 2-3x The inverse function of f(x): is equal to !! x+1 2-x x-2 A. f-1 = C. f-1 x+3 x+3 2-x 2+x B. f-1 D. f-1 x+3 x-3 2x-3 What is the value of x in the equation 3 C. 9 D. -3 A. -9 В. З x-1 D. Given the inequality < 0, what are the solution set? 2x+3 A. G,-1) B. (--1) c.(-1) D. (.1) 1. If f(x) = 4- 3x and g(x) = 7x + 2, then what is (f +g)(x)? A. 10x + 6 С. 10х - 6 В. 4х + 6 D. -4x – 6 2. Let f(x) = -2x? + 3x – 1. Find f(2). С. -3 А. -4 В.-2 D. -1 3. Given: f(x) = x - 2 andg(x) = 2x + 3.Find (f - g)(x). C. x + 5 D. 3x +1 A. -x – 5 B. x - 5arrow_forward
- Choose the correct answer Please number of choose only please to all . 1-For what values of x is the function f(x)=-x2-2x+15 decreasing? A)(-infinity,-2]. B)(-infinity,-1) C)[-2,infinity) D)(-1, infinity) 2-For what values of x is the function f(x)=1/2x(x2-3x-9) decreasing? A)(-3,1) B) (-1, 3) C)[-1, 3] D)(-infinity,-1)union(3, infinity) 3-For what values of x is the function f(x)=4x2+4x-3 increasing? A)(-infinity,-1/2) B)(-infinity,-1/2]. C)(-1/2, infinity). D)[-1/2, infinity) 4-For what values of x is the function F(x)=4x3+12x2-3 concave down ? A)(-infinity,-1) B)(-infinity,-2). C)(-1, infinity). D)(-2, infinity) 5-For what values of x is the function f(x)=4x3+12x2-3 concave up? A)(-infinity,-1) B)(-infinity,-2). C)(-1, infinity). D)(-2, infinity) 6- The critical values of f(x) = x+ 1/x is A) {0} B) {1,-3} C){1,-1} D){2,-2})arrow_forwardFind (f+g)(x), (f- g)(x), (f*g)(x), and (f/g)(x) for each f(x) and g(x). Indicate any restrictions in domain or range. 74.) f(x) = 2x g(x) = -4x + 5 75.) f(x)=x-1 g(x) = 5x-2 astronik gaib tea ad $507 qarrow_forward1) Give an example of a function whose domain does not include x = -2 or x = 2. 2) Give an example of a function whose domain is [-2, 2]. 3) Give an example of a function whose domain is (-2, 2).arrow_forward
- Algebra for College StudentsAlgebraISBN:9781285195780Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning
- College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage