2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Review of Functions Function Library.

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Presentation transcript:

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Review of Functions Function Library Linear Functions Applications Grab Bag!

Is the relation a function?

yes

Is the relation a function?

no

Find the domain:

Describe the graph and its transformations:

A “V” reflected over the x-axis and shifted left 3

Describe the graph and its transformations:

A “U” shifted right 4 and down 6

What is the equation for this graph?

Graph the function:

Graph the piecewise function:

Write an equation of the line with slope 1 and y-intercept -2

Find the slope and y-intercept of the equation:

m=8/3, b=-8

Write an equation of the line with slope 2/3 that goes through the point (-6,-5).

Find the slope of the line that passes through the points (-2,3) and (-2,-1)

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Write an equation of the line that passes through the points (-5,-2) and (5,-4)

A company manufactures and sells a specialty watch. The financial research dept. determined that at a price of $88 each, the demand would be 2000 watches, and at $38 each, watches. Assuming a linear relationship, what would be the price at a demand of 8000 watches?

$58

In 2003 Aaron had 32 CDs in his collection and in 2006 he had 66. How many CDs does he have in 2010?

about 111

If you get 2 oil changes per year the average cost of engine repair is $500 and if you get 6 per year, it’s only $100. Assuming this is a linear relationship, find the number of oil changes you should get if you don’t want to pay for engine repair at all.

About 7

Find the domain:

Graph the piecewise function:

Write an equation of the line that goes through the points (2,3) and (-5,3)