A quadratic function is given.
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f(x) = x2 + 8x + 15
+ 8x + 16) - 1
= (x + 4)2 - 1
vertex: (x, y) = (-4, -1)
x-intercepts: (x, y) = (-5, 0) and (-3, 0)
y-intercept: (0, 15)
Please don't forget to
give me a review later on. I would be highly appreciate that.
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