which of the following statements are true of the graph of the function f(x)=(x+5)(x-3)?
a.The graph has a relative maximum.
b.The graph has a relative minimum.
c.The graph has an x-int at (5,0).
d.The graph has an x-int at (3,0).
e.The graph has a y-int at (0,-15)
f.The axis of symmetry is x=-2.

Respuesta :

You can use a calculator for this if you have the graphing kind (I use a Ti-84) and when plugging the equation in, the answers should be b, d, and e 
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