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What is the right choice for question 5) ? http://postimg.org/image/y6nshwmef/
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High School Teacher
Given the function y=sin(2x)-1, we are asked to find the slope of the secant line between `x=30^@` and `x=60^@` .
The slope of the secant line between two points `(x_1,y_1),(x_2,y_2)` is `m=(y_2-y_1)/(x_2-x_1)`
Therefore the slope is zero, and the answer is (a).
Posted by embizze on August 18, 2013 at 2:35 AM (Answer #1)
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