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1. What is a relative min extrema (x,y) for f(x) in f(x) = 2x3+3x2-12x+5 ? 2....

1. What is a relative min extrema (x,y) for f(x) in f(x) = 2x3+3x2-12x+5 ?

2. Use a number line and test points to show where f(x) in f(x) = -2x3-1/2 x2+x-3 is concave up and down

3. use a number line and test points to show where f(x) in 2x3+3x2-36x+20 is increasing and decreasing

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