Concept explainers
Finding a Limit In Exercises 71-76, find each limit.
(a)
(b)
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Calculus: Early Transcendental Functions (MindTap Course List)
- Consider the function 5xy f(x, y) = 2x2 + y² (a) State the domain of f(x, y). (b) Find the limit 5xy lim (1,4)→(0,0) 2x² + y? by approaching along: (i) the x-axis, (ii) the y-axis, (iii) the y = x, (iv) the y = 8x, (v) the y = x², (vi) the y = a?. (c) What conclusion can you draw from your answers to parts (b) (i)-(vi).arrow_forwardUse algebra to evaluate the limit no. 2arrow_forwardDetermine the following using the graph off provided below. If the value is infinite, specify ∞ or -∞o. If an answer does not exist, explain why. O I ●arrow_forward
- full proof, a and barrow_forwardDefinition: Let f: A → R be a function defined on a set A containing the point c. We say that f is differentiable at c (or has a derivative f'(c) at c) if the limit below exist and is finite ƒ'(c) = lim X→C f(x) − ƒ(c) X-C We say that f is differentiable S ≤ A iff f'(c) exists for all c E S. The function f':S → R is called the derivative off on S. 1 a) f(x) =,x>0 b) f(x)=√x,x ≥0 Use the definition above to find the derivative of each function and determine the subset of its domain at which the derivative f' exists.arrow_forwardEvaluate the limit of the ff:arrow_forward
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