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Interesting math problem? In the image below, the magnitude of the inclined reaction R1 at A would be? How do I solve [f(x+3)-f(x)]/[x+3-x] when f(x) = 4-x^2? How many grams of CH3OH can be synthesized from 20.0g CO? CO + 2H2 = CH3OH? A particular bird's position in feet is given by the equation p(t) =12t^2/7+t where t = £of sec elapsed. What is instantaneous velocity t=a?