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Home > CCA2 > Chapter 7 > Lesson 7.1.5 > Problem 7-84
7-84.
Sketch a graph of
Is it a function?
Does each
value on the graph of the function have only one corresponding value? What are its domain and range?
Domain:
Range:Draw a central angle that measures
radians. If you remove this wedge of the circle, how much area remains? See the unit circle graph below.
What portion of the circle is shaded?Since
is of the total angle in a circle, the remaining area will be of the total area.