MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_01C935BA.04E70D10" This document is a Single File Web Page, also known as a Web Archive file. If you are seeing this message, your browser or editor doesn't support Web Archive files. Please download a browser that supports Web Archive, such as Microsoft Internet Explorer. ------=_NextPart_01C935BA.04E70D10 Content-Location: file:///C:/D08AD5F2/Mworksheet4.2.htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii" Math 121A - Test 1

Math 121=

Sections 4.2<= /p>

1.      Sketch the graph: &n= bsp;  f(x) =3D 3x-2

 

 

2.&n= bsp;     Evaluate to two-decimal accuracy.      &n= bsp;       e -1.2 =3D _____________

 

      Solve each equation.

3.&n= bsp;     9x+3 =3D 273x-2        &= nbsp;          &= nbsp;           &nbs= p;            &= nbsp;           &nbs= p;  4.

 

 

 

 

 

5.&n= bsp;     The decay function for plutonium 241 given by the function A(t) =3D 500*e -.053t, where A(t) is amount (in grams) of plutonium 241 remaining after t years.<= /o:p>

      = ;      a. How much plutonium is there initially? &nbs= p;          ___________= ____

 

      b. How much remains after 5 years?  =     ______________

 

 

 

 

 

 

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