x2 - 4x- 12 . Evaluate: limx-0 x2 - 4

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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MATH1B

Please Solve Seventh Question

4. Identify the vertex of the parabola y = x + 4x + 3.
(-2,-1)
(-2, 3)
O (2, -1)
O (2, 3)
x - 2x
x2 + 3x – 10
x- 5
5. Perform the indicated operation, then simplify:
x+ 5
x- 2
x2 – 5x
x-2
x- 5
6. If a polynomial function of degree 4 has 1 +i as one of its roots, what is the maximum number of real roots can it have?
3
1
x2 - 4x - 12
7. Evaluate: limx-0
x2 – 4
-4
O -3
1
3
4
Transcribed Image Text:4. Identify the vertex of the parabola y = x + 4x + 3. (-2,-1) (-2, 3) O (2, -1) O (2, 3) x - 2x x2 + 3x – 10 x- 5 5. Perform the indicated operation, then simplify: x+ 5 x- 2 x2 – 5x x-2 x- 5 6. If a polynomial function of degree 4 has 1 +i as one of its roots, what is the maximum number of real roots can it have? 3 1 x2 - 4x - 12 7. Evaluate: limx-0 x2 – 4 -4 O -3 1 3 4
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