3. Discuss in your own words what is visually/graphically happening at x = as detailed as possible so that someone who DOESN'T know can understand. = 3 for f(x) = = 2x²-5x-3 (#2-part b). Be x²-9

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Chapter1: Functions And Models
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I'm having trouble answering the last question on the bottom #3

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He writes the following as his solution: lim (3x²-x) = lim (3 (2)² − 2) = 12 - 2 = 10.
X-2
X-2
Explain what is incorrect in his solution.
In this problem
slep, when my
to write the
a.
2x-1
X--2 X+3
2. Evaluate the following limits.
lim
=
b. lim
X-3
the following problem: lim (3x
X→2
c. lim
2x²-5x-3
x²-9
in the second
what is inconect, is
in the "2", he doesn't need
plugs
limit nota ti on, which is "lim".
friend
X-2
x-16 √x-4
2 (-2)=1. -=— = (5)
-2+3
lim (x-3)(2X+1) - lim 2x+1
X*3 (X+3)(x-3) X3 (X+3)
x-16 = lim_x-16
√x +4
x=16 √x -4 √√x²+4
=
(²)
2(3)+1
1343)
lim (x-167 [√x+4) lim (√x+4)=√16 + 4 + 8 ]
x+16
(x-116
x+16
3. Discuss in your own words what is visually/graphically happening at x = 3 for f(x)
as detailed as possible so that someone who DOESN'T know can understand.
=
2x²-5x-3
x²-9
(#2-part b). Be
Transcribed Image Text:- He writes the following as his solution: lim (3x²-x) = lim (3 (2)² − 2) = 12 - 2 = 10. X-2 X-2 Explain what is incorrect in his solution. In this problem slep, when my to write the a. 2x-1 X--2 X+3 2. Evaluate the following limits. lim = b. lim X-3 the following problem: lim (3x X→2 c. lim 2x²-5x-3 x²-9 in the second what is inconect, is in the "2", he doesn't need plugs limit nota ti on, which is "lim". friend X-2 x-16 √x-4 2 (-2)=1. -=— = (5) -2+3 lim (x-3)(2X+1) - lim 2x+1 X*3 (X+3)(x-3) X3 (X+3) x-16 = lim_x-16 √x +4 x=16 √x -4 √√x²+4 = (²) 2(3)+1 1343) lim (x-167 [√x+4) lim (√x+4)=√16 + 4 + 8 ] x+16 (x-116 x+16 3. Discuss in your own words what is visually/graphically happening at x = 3 for f(x) as detailed as possible so that someone who DOESN'T know can understand. = 2x²-5x-3 x²-9 (#2-part b). Be
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