Generalize Exercise 87: Show that if the horizontal line y = c intersects the graph of (x)
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Generalize Exercise 87: Show that if the horizontal line y = c intersects the graph of ƒ(x) = x2 + rx + s at two points
Figure 26
Data From Exercise 87
Show that if the quadratic polynomial ƒ(x) = x2 + rx + s takes on both positive and negative values, then its minimum value occurs at the midpoint between the two roots.
Transcribed Image Text:
x1 + x2 (x₁, f(x1)) and (x2, f(x2)), then f takes its minimum value at the midpoint M = 2 (Figure 26).
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Data From Exercise 87 Suppose that a horizontal line y ...View the full answer
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