HSC Standard 2 Non Linear Relationships

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HSC Standard 2 Non Linear Relationships

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The equation of the graph below is:

1 point

Captionless Image

y - 3 – x²

y = -x²

y = x² – 3

y = x² + 3

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The equation of this graph could be:

1 point

Captionless Image

A

B

C

D

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Which graph best represents the equation y = x² − 2 ?

1 point

A

B

C

D

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Which of the following could represent the graph of y = –x² + 1 ?

1 point

A

B

C

D

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1 point

Captionless Image

(2 , 6)

(2 , 8)

(2 , 9)

(2 , 12)

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Which one of the following is a hyperbolic function?

1 point

A

B

C

D

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Which of these functions represents exponential growth?

1 point

A

B

C

D

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Two friends share a secret on Monday (Day 1} and promise not to tell anyone. Unfortunately on Tuesday (Day 2), they both individually tell 3 friends, and on Wednesday, these friends each tell 3 more people and the secret continues to spread in this manner.

The spread of the secret can be modelled with the equation: y = 3ˣ -1

Where: x = the number of the day on which the secret is told and y = the total number of people who know the secret

How many people were told the secret on the following Monday?

1 point

2186

2187

4374

6560

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