Let f(t) be the weight (in grams) of a solid sitting in a beaker of water. Suppose that the solid dissolves in such a way that the rate of change (in grams/minute) of the weight of the solid at any time t can be determined from the weight using the forumula: f′(t)=-2f(t)(5+f(t)) If there is 2 grams of solid at time t=2 estimate the amount of solid 1 second later

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