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| 1 | |
Which of the following could be the graph of y = (1/5)x? |
| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070780846/506629/FFCM11_KeyQuiz7_4_question1a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (84.0K)</a>]]>
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| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070780846/506629/FFCM11_KeyQuiz7_4_question1b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (85.0K)</a>]]>
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| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070780846/506629/FFCM11_KeyQuiz7_4_question1c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (82.0K)</a>]]>
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| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070780846/506629/FFCM11_KeyQuiz7_4_question1d.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (82.0K)</a>]]>
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| 2 | |
Which of the following could be the equation for the graph shown? #$FFCM11_KeyQuiz7_4_question2.bmp$# |
| | A) | y = 3x |
| | B) | y = (7/4)x |
| | C) | y = (4/5)x |
| | D) | y = (4/7)x |
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| 3 | |
The amount of money in Shilpy’s bank account can be represented by the equation M = 250(1.05)n, where M is amount of money in dollars and n is number of years after Shilpy sets up her account. How much money will be in her account after 25 years? |
| | A) | $253.39 |
| | B) | $846.59 |
| | C) | $6562.50 |
| | D) | $1.97 x 1064 |
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| 4 | |
The graph below shows the number of bacteria in a petri dish over the course of a week:
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070780846/506629/FFCM11_KeyQuiz7_4_question4.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (116.0K)</a>]]>
What is the approximate doubling time of the bacteria? |
| | A) | 4 days |
| | B) | 3 days |
| | C) | 2 days |
| | D) | 1 day |
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| 5 | |
Which of the following could best be modelled by an exponential relation? |
| | A) | The relationship between the radius and area of a circle. |
| | B) | The distance a car covers over time while driving at a constant speed of 100 km/h. |
| | C) | The height of a rubber ball bouncing against a hard floor. |
| | D) | The rate of growth of Toronto’s population over the last ten years. |
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