Question Details

MAT 120 MODULE 7 CHECK YOUR UNDERSTANDING
1.	Given that log x = 3 and log y = 4, find log  .

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2.	Simplify.  

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3.	Simplify. log 4 1

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4.	Write in logarithmic form. 243 = 35
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5.	Simplify. log 3 9

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6.	If you invest $4,500 in an account paying 2% compounded continuously, how much money will be in the account at the end of 4 years?

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7.	Evaluate e9 - e-9 to four significant digits.

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8.	Graph y = ex - 2.

9.	Use a calculator to find log 5 57. Round your answer to four decimal places.

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10.	Simplify.   

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11.	Simplify. log 2  
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12.	Use a calculator to find log 4, 115.  Round your answer to four decimal places.

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13.	Write in exponential form. log 10 0.0001 = -4

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14.	Graph y = 5e-x.
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15.	Graph the logarithmic function. f(x) = log 3 (x - 1)

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16.	Given that log x = 6 and log y = 5, find log ( ).

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17.	Solve. log 16 32 = x

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18.	The bacteria in a certain culture double every 7.9 hours. The culture has 2,000 bacteria at the start. How many bacteria will the culture contain after 4 hours?

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19.	Simplify. log 2 27

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20.	Simplify. log 3 3

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