Math 130 College Algebra Spring 2008 NAME:_____________

EXAM 1

7 problems, 10 points each

Instructions:

$\circ $ Show enough work to justify your answers.

$\circ $ Don't leave early unless you are sure you've solved all the problems.




  1. The graph of function $f$ and its table of values are given below. Complete the table. Show your drawings.
    e1__4.png

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  2. Find the line passing through the point $(-1,2)$ and perpendicular to the line $y=5x-2008.$
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  3. The graph of the function $y=f(x)$ is given below. Describe its behavior the function using words like "decreasing", "increasing" etc.$\newline{}$ e1__11.png
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  4. Find the domain of the function MATH .$\newline{}$


  5. Suppose one side of a rectangle is $x.$ Express the perimeter of the rectangle as a function of $x$ if the area of the rectangle is equal to 10.
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  6. Let MATH Represent $h$ as the composition $h(x)=(f\circ g)(x)$ of the functions $y=g(x)$ and $z=f(y).$
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  7. Half of the graph of an odd function is given below. Draw the other half and explain.
    e1__24.png

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