4. Consider the following graph of the polynomial y = f(x) -6 -5 -2 (a) Give the open interval(s) on which f is increasing. (c) When is f(x) > 0? (b) Give the open interval(s) on which f is decreasing. -1 0 A

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A: see below the graph

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Q: 5. Find the domain of the function. (a) f(x)=4-5x+x² (b) f(x)= 1 x² - 6x+5

A:

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A: from option 1 f(x)=2(x+1)(x+5)

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A: To find out that the function has even, odd or neither of these symmetry.

Q: Sketch the graph of f.

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A: Function