Concept explainers
Evaluating a Limit In Exercises 3 and 4, use Example 1 as a model to evaluate the limit
Over the region bounded by the graphs of the equations.
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Calculus: Early Transcendental Functions (MindTap Course List)
- 2. Definition: A function f : D → R is continuous at a point a € D, if lim f (x) = f (a), that is, x→a [Ve € R+, 38 € R+, Vx € D₁ |x-a <8 ⇒ |\ƒ (x) − ƒ (a)| < ε]. (a) Define f: R → R by J 5x if is rational, x² + 6 if x is irrational. f(x) = { Sketch the graph of f, and show that f is continuous at 2. (b) Write the negation of the definition in the above. (c) Show that f is not continuous at 1.arrow_forwardFind each limit. f(x, y) (a) 3 (b) 1 = 3 x + y lim Ax → 0 lim Ay → 0 f(x + Ax, y) - f(x, y) Ax X f(x, y + Ay) - f(x, y) Ay Xarrow_forwardshow that the function's limit does not existarrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage