# Pre-calc

Can someone please show me the steps to this problem...Thanks in advance.

Let f(x) = Ð9xÐ. For the area above the x-axis and between the lines x= -9 and x=18

a. draw and label a sketch with

b. find the area of the region in
the xy-plane under the graph
of f(x)

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2. 👎 0
3. 👁 142
1. describe in words what Ð9xÐ is supposed to be.
On my Mac it came out weird.

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posted by Reiny
2. Sorry it came out that way:

Let f(x) =|9x|. For the area above the x-axis and between the lines x= -9 and x=18

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posted by Amy
3. Reiny this is the complete problem...Sorry about all that...Thank you

Let f(x) =|9x|. For the area above the x-axis and between the lines x= -9 and x=18

a. draw and label a sketch with
b. find the area of the region in
the xy-plane under the graph
of f(x)

1. 👍 0
2. 👎 0
posted by Amy
4. Can anyone help with the following problem please...Thank u so much

Let f(x) =|9x|. For the area above the x-axis and between the lines x= -9 and x=18

a. draw and label a sketch with

b. find the area of the region in
the xy-plane under the graph
of f(x)

1. 👍 0
2. 👎 0
posted by Amy

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