# Select the graph of the quadratic function ƒ(x) = 4 - x2. Identify the vertex and axis of symmetry., JC Week 4 assignment help

*label*Mathematics

*timer*Asked: Oct 4th, 2016

*account_balance_wallet*$5

### Question Description

### QUESTION 1

5 points

### QUESTION 2

5 points

### QUESTION 3

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### QUESTION 4

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### QUESTION 5

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### QUESTION 6

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### QUESTION 7

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### QUESTION 8

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### QUESTION 9

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### QUESTION 10

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### QUESTION 11

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### QUESTION 12

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### QUESTION 13

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### QUESTION 14

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### QUESTION 15

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### QUESTION 16

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### QUESTION 17

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### QUESTION 18

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### QUESTION 19

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### QUESTION 20

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## Tutor Answer

Hi! I've attached the complete solution, with the answers (I used letters A to E to indicate which is the correct one among the ones you listed) and the details about how to get to the solution.Let me know if you need further details :)Have a nice evening!

The first exercises ask to calculate the vertex and axis of symmetry of a parabola. This can be done

2

b

b

using the formula V = (− 2a

; − b −4ac

4a ) and axis x = − 2a .

Question 1

f (x) = 4 − x2

Parameters are a = −1, b = 0, c = 4. The vertex is V = (0; 4) and the axis of symmetry is x = 0.

Answer is A.

Question 2

f (x) = x2 + 3

Parameters are a = 1, b = 0, c = 3. The vertex is V = (0; 3) an...

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