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# Further Maths GCSE Help

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1. Can anyone help me on this question? I'm not sure if it is a typo or because it doesn't have have squared?

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2. Need help on the second part of this question? Do I multiply the function by two and then solve?

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3. (Original post by BobbiBlue)
Can anyone help me on this question? I'm not sure if it is a typo or because it doesn't have have squared?

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It's definitely a typo, you can't turn a quadratic into a linear expression by multiplying and adding constants, assuming a, b and c are just constants.
4. I would try to help you but I failed my exam :/
5. (Original post by BobbiBlue)
Need help on the second part of this question? Do I multiply the function by two and then solve?

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g(2x) just means replace every x from g(x) with (2x)
so you get

g(2x) = (2x + 6) / 4x

Now the problem is very similar to the first part of the problem
6. (Original post by samspedding)
It's definitely a typo, you can't turn a quadratic into a linear expression by multiplying and adding constants, assuming a, b and c are just constants.
Good because I can do that ahaha, just wanted to make sure that you couldn't do it

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I would try to help you but I failed my exam :/
I'm sorry to hear that thanks for replying though

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8. (Original post by samspedding)
g(2x) just means replace every x from g(x) with (2x)
so you get

g(2x) = (2x + 6) / 4x

Now the problem is very similar to the first part of the problem
That seems really easy now, thank you very much

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9. (Original post by BobbiBlue)
I'm sorry to hear that thanks for replying though

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It's cool

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