(a) Determine whether each of the following functions is continuous at 2. Name any results or rules that you use. You may use the basic continuous functions listed in Theorem D51 from Unit D4. (i) f(x)= (ii) f(x)= (iii) f(x) = 2-3x+x², | x² – 3, x≤ 2, x > 2. (x - 2)² sin (x-2), 10. (sin(TI), T≤2, ²-4, x > 2. x 2, x = 2.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 99E: Determine if the statemment is true or false. If the statement is false, then correct it and make it...
icon
Related questions
Question
(a) Determine whether each of the following functions is continuous at 2.
Name any results or rules that you use. You may use the basic
continuous functions listed in Theorem D51 from Unit D4.
(i) f(x) =
(ii) f(x) =
(iii) f(x) =
2-3x+x²,
x² - 3,
.2
x≤ 2,
x > 2.
[(x - 2)² sin (2)
10,
sin(x), x≤ 2,
x² - 4,
x > 2.
x = 2,
p is given by
2
3x²-3x+1.
x = 2.
(b) The polynomial
p(x) = 3x³
(i) Determine a real number M such that p has no zeros outside the
interval (-M, M), and exactly three zeros in (-M, M).
(ii)
Determine an open interval of length in R that contains exactly
one zero of p.
Transcribed Image Text:(a) Determine whether each of the following functions is continuous at 2. Name any results or rules that you use. You may use the basic continuous functions listed in Theorem D51 from Unit D4. (i) f(x) = (ii) f(x) = (iii) f(x) = 2-3x+x², x² - 3, .2 x≤ 2, x > 2. [(x - 2)² sin (2) 10, sin(x), x≤ 2, x² - 4, x > 2. x = 2, p is given by 2 3x²-3x+1. x = 2. (b) The polynomial p(x) = 3x³ (i) Determine a real number M such that p has no zeros outside the interval (-M, M), and exactly three zeros in (-M, M). (ii) Determine an open interval of length in R that contains exactly one zero of p.
Theorem D51 Basic continuous functions
The following functions are continuous:
(a) polynomials and rational functions
(b) f(x) = |x|
(c) f(x)=√x
(d) the trigonometric functions sine, cosine and tangent
(e) the exponential function.
Transcribed Image Text:Theorem D51 Basic continuous functions The following functions are continuous: (a) polynomials and rational functions (b) f(x) = |x| (c) f(x)=√x (d) the trigonometric functions sine, cosine and tangent (e) the exponential function.
Expert Solution
steps

Step by step

Solved in 7 steps with 7 images

Blurred answer
Recommended textbooks for you
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage