Posted by **Brittany** on Saturday, January 15, 2011 at 3:54pm.

On the graph of f(x)=6sin(8πx), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.

- calculus -
**Damon**, Saturday, January 15, 2011 at 8:27pm
y = 6 sin 8 pi x

low point is -6 when 8 pi x = -pi/2

or x = -1/16

high point is +6 when 8pix = pi/2

or x = +1/16

change in y = 12

change in x = 1/8

dy/dx = slope = 12/(1/8) = 96

- calculus -
**Diana**, Thursday, January 24, 2013 at 10:00pm
On the graph of f(x)=7sin(7pi x), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.

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