The work below is not correct. There are a few errors. Indicate all the errors that are presented below. f(x) = V1– a? f(x + h) – f(x) = lim h→0 f' (x) (1) h - (x + h)² – V1 - 72 = lim h→0 (2) h 1 – x² + 2xh + h² – /1 – x² V lim h→0 (V1 – x² + 2xh + h² + /1 – æ² (3) 1- x2 + 2xh + h² + 1+ x2 = lim h→0 (4) h 2+ 2xh + h² = lim h→0 (5) = lim 2 + 2x + h h→0 (6) = 2 + 2x (7) In line (1), the Definition of the Derivative is not correct. In line (2), f(x +h) is not evaluated correctly. In line (3), there are 1 or more sign errors. In line (3), the expression should be divided by the conjugate of the numerator. In line (4), there are 1 or more sign errors. In line (5), there should be an x² term. In line (5), it is not a valid step to cancel out a factor of h in the numerator There is incorrect use of limit notation in this work.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.6: Rational Functions
Problem 2E
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The work below is not correct. There are a few errors. Indicate
all the errors that are presented below.
f(x) = V1– a?
f(x + h) – f(x)
= lim
h→0
f' (x)
(1)
h
- (x + h)² – V1
- 72
= lim
h→0
(2)
h
1 – x² + 2xh + h² – /1 – x²
V
lim
h→0
(V1 – x² + 2xh + h² + /1 – æ²
(3)
1- x2 + 2xh + h² + 1+ x2
= lim
h→0
(4)
h
2+ 2xh + h²
= lim
h→0
(5)
= lim 2 + 2x + h
h→0
(6)
= 2 + 2x
(7)
In line (1), the Definition of the Derivative is not correct.
In line (2), f(x +h) is not evaluated correctly.
In line (3), there are 1 or more sign errors.
In line (3), the expression should be divided by the conjugate of the
numerator.
In line (4), there are 1 or more sign errors.
In line (5), there should be an x² term.
In line (5), it is not a valid step to cancel out a factor of h in the
numerator
There is incorrect use of limit notation in this work.
Transcribed Image Text:The work below is not correct. There are a few errors. Indicate all the errors that are presented below. f(x) = V1– a? f(x + h) – f(x) = lim h→0 f' (x) (1) h - (x + h)² – V1 - 72 = lim h→0 (2) h 1 – x² + 2xh + h² – /1 – x² V lim h→0 (V1 – x² + 2xh + h² + /1 – æ² (3) 1- x2 + 2xh + h² + 1+ x2 = lim h→0 (4) h 2+ 2xh + h² = lim h→0 (5) = lim 2 + 2x + h h→0 (6) = 2 + 2x (7) In line (1), the Definition of the Derivative is not correct. In line (2), f(x +h) is not evaluated correctly. In line (3), there are 1 or more sign errors. In line (3), the expression should be divided by the conjugate of the numerator. In line (4), there are 1 or more sign errors. In line (5), there should be an x² term. In line (5), it is not a valid step to cancel out a factor of h in the numerator There is incorrect use of limit notation in this work.
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