the behaviour of as x →∞ is called which of the following?

The behaviour of as x→∞ is called which of the following?

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xe

1. Exponential growth

2. Exponential decay

3. Neither of the above

The graph shown below best represents which of the following?

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xexf )(1.

xexf )(2.

xexf )(3.

xexf )(4.

Calculate correct to 3 decimal places

3e

Calculate when x=5xex 2

If then which of the following is correct?

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nab

nab log1.

anb log2.

bna log3.

nba log4.

If then

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nbx 5log x

nb51.

bn 52.

bn 53.

5bn 4.

Calculate the value of 25log5

Use the properties of logarithms to decide which of the following is the

largest.

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)3ln()30ln( 1.

5ln22.

6ln3.

2ln

6ln4.

can be simplified to which of the following?

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10

3log

3

1log 33

10log1 31.

9

10log3

2.

5log33.

10log2 34.

Calculate ln(20.5) correct to 3 decimal places

If y=lnx then which of the following is correct?

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xey 1.

xey 2.

yex 3.

yex 4.

Solve correct to 3 decimal places

5log105 x

Solve correct to 3 decimal places2

6

1

xe

Solve for x if

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xey 26

1. x = ln6 + ln2 + lny

2. x = ln2 – ln6 +lny

3. x = ln6 + lny – ln2

4. x = ln2 – ln6 - lny