Exercises 1—14, to establish a big-Orelationship, find witnessesCandksuch that
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DISCRETE MATH.+ITS APPLICATIONS CUSTOM
- In Exercises 27–28, let f and g be defined by the following table: f(x) g(x) -2 -1 3 4 -1 1 1 -4 -3 -6 27. Find Vf(-1) – f(0) – [g(2)]² + f(-2) ÷ g(2) ·g(-1). 28. Find |f(1) – f0)| – [g(1)] + g(1) ÷ f(-1)· g(2).arrow_forwardShow that exp(2²)| ≤ exp(2²) < for all = E C.arrow_forwardSuppose f and g are the piecewise-defined functions defined here. For each combination of functions in Exercises 51–56, (a) find its values at x = -1, x = 0, x = 1, x = 2, and x = 3, (b) sketch its graph, and (c) write the combination as a piecewise-defined function. f(x) = { (2x + 1, ifx 0 g(x) = { -x, if x 2 8(4): 51. (f+g)(x) 52. 3f(x) 53. (gof)(x) 56. g(3x) 54. f(x) – 1 55. f(x – 1)arrow_forward
- 3. Determine f(x) is 0(g(x)) for each of these function f(x) and show a pair of witness C,, C2, k and justify your answer. a) f(x) = 2x* + x³logx %3! b) f(x) = (x* + x² + 2), (x³ +1)arrow_forward6. Write the formulas of f og for pairs of real functions f,g. (a) f(r) = x², g(x) = x – 2 =* +2z² +1 (b) f(x) = 1,9(r) %3Darrow_forwardExercises 121–140: (Refer to Examples 12–14.) Complete the following for the given f(x). (a) Find f(x + h). (b) Find the difference quotient of f and simplify. 121. f(x) = 3 122. f(x) = -5 123. f(x) = 2x + 1 124. f(x) = -3x + 4 %3D 125. f(x) = 4x + 3 126. f(x) = 5x – 6 127. f(x) = -6x² - x + 4 128. f(x) = x² + 4x 129. f(x) = 1 – x² 130. f(x) = 3x² 131. f(x) = 132. /(x) 3D글 = = 132. f(: 133. f(x) = 3x² + 1 134. f(x) = x² –- 2 135. f(x) = -x² + 2r 136. f(x) = -4xr² + 1 137. f(x) = 2x - x +1 138. f(x) = x² + 3x - 2 139. f(x) = x' 140. f(x) = 1 – xarrow_forward
- what is the maximum/minimum of: f(x)=5x3e-x on [-1,6]arrow_forward2arrow_forwardSuppose that f(x) = 3(8x - x²)/256 for 0arrow_forwardIn Exercises 6–10, let f(x) = cos x, g(x) = Vx+ 2, and h(x) = 3x?. Write the given function as a composite of two or more of f, g, and h. For example, cos 3x? is f(h(x)). 6. V cos x + 2 1. V3 cos?x + 2 8. 3 cos x + 6 ). cos 27x* 10. cos V2 + 3x²,arrow_forwardIn Exercises 29 and 30, find the values of x (if any) at which f is not continuous, and determine whether each such value is a removable discontinuity. 29. (a) f(x) = = (c) f(x) = |x| X x-2 |x|-2 (b) f(x) = x² + 3x x + 3arrow_forwardarrow_back_iosarrow_forward_ios
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage