# Pre-calc

posted by Amy

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)

1. Reiny

describe in words what Ð9xÐ is supposed to be.
On my Mac it came out weird.

2. Amy

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

3. Amy

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)

4. Amy

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)

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