Question 482306
NOTEl: I assume your points are in the order (x,y)
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a graph accompanies this question with points in this order from right to left:
(-8,0)(-5,3)(0,-4)(5,0)(7,6) 
Given the following function:
a) f(-5)= 3
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b) f(0)= -4
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c) What is the domain?:: {-8,-5,0,5,7}
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d) What is the range? :: {0,3,-4,6}
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e) Find the value(s)of x such that f(x)=0::x = -8 and x = 5
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Comment: Be careful.  You may be wasting your time and money
taking an online course.  Most people need to taught math.
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Cheers,
Stan H.