# Thread: Calculus and statistics university questions

1. ## Calculus and statistics university questions

[TABLE="width: 1118"]
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[TD="colspan: 2"]Section 1 Indices and Logarithms[/TD]
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[TR]
[TD][/TD]
[TD]
1) Solve Ln(e6x4+7)=7Ln(e6x−4+7)=7 for x.
The answer (correct to 3 decimal places) is x =
 Marks : 1
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[TR="class: panel-title"]
[TD="colspan: 2"]Section 2 Functions[/TD]
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[TR]
[TD][/TD]
[TD]
2) Let f(x) = 4x+72x2−4x+72x−2, find f-1(x).
Answer: (Correct to 3 decimal places) f-1(x) = (-2 x +
) / ( x + ).
 Marks : 1
[/TD]
[/TR]

2. ## Re: Calculus and statistics university questions

Originally Posted by sarahlee
[TABLE="width: 1118"]
[TR="class: panel-title"]
[TD="colspan: 2"]Section 1 Indices and Logarithms[/TD]
[/TR]
[TR]
[TD][/TD]
[TD]
1) Solve Ln(e6x−4+7)=7Ln(e6x−4+7)=7 for x.
The answer (correct to 3 decimal places) is x =
 Marks : 1
[/TD]
[/TR]
[TR="class: panel-title"]
[TD="colspan: 2"]Section 2 Functions[/TD]
[/TR]
[TR]
[TD][/TD]
[TD]
2) Let f(x) = −4x+72x−2−4x+72x−2, find f-1(x).
Answer: (Correct to 3 decimal places) f-1(x) = (-2 x + ) / ( x + ).
 Marks : 1
[/TD]
[/TR]
It seems that the above is totally meaningless.
Please simply type out the question is clearly stated form.

3. ## Re: Calculus and statistics university questions

I have found out that these are exam questions, not homework. I am closing the thread until sarahlee and I come to an agreement with her institution.

-Dan