Sketch the graph of a twice-differentiable function with the following properties. Čabel coordinates where possible. f"(x) f'(x) < 0 f"(x) > 0 f(x) = 0 f'(x) = 0 f"(x) = 0 f'(x) < 0 | f"(x) < 0 f (x) = -4 f'(x) < 0 f"(x) = 0 f'(x) < 0 f"(x) > 0 f (x) = -8 | f'(x) = 0 | f"(x) > 0 f'(x) > 0 | f"(x) > 0 f(x) f'(x) x < -3 x = -3 -3 < x < -1 x = -1 -1 2

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Q: Consider the differential equation y'(x) = xeU – x.

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Q: W 4. A cell phone company claims that the average time a person spends on their phone is 12.8 hours…

A: Let μ denote the population mean and x⎯⎯ denotes the sample mean. Then, μ=12.8 and x⎯⎯=12.2 Let n be…

Q: e. lim f(1) f. lim f(r) 2 g. lim f(1)

A: e) -1+ is greater than -1, so we will take the second piece of the function

Q: Please help I don't understand.

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Q: Which is the greater rate,15 miles in 12 minutes or 25 miles in 20 minutes?Explain

A: Solution: the objective is to find sum of given series

Q: Please help lol

A: b) c)

Q: Thank you.

A: We have to find