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Graphing Polynomial Functions



 1 

There was a study done on oxygen consumption of snails as a function of pH, and the result was a degree 4 polynomial function whose graph is shown below.

mc001-1.jpg

Which statement about this function is incorrect?
a)
The degree of the polynomial is even.
c)
At two pH values, there is a relative maximum value.
b)
There is a positive leading coefficient.
d)
There are two intervals where the function is decreasing.
 



 
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