Let f ( t ) be the weight (in grams) of a solid sitting in a beaker of water. Suppose that the solid dissolves in such

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Let f ( t ) be the weight (in grams) of a solid sitting ina beaker of water. Suppose that the solid dissolves in such a waythat the rate of change (in grams/minute) of the weight of thesolid at any time t can be determined from the weight usingthe formula: f ' ( t ) = − 4 f ( t ) ( 2 + f ( t ) ) If there is 3grams of solid at time t = 2 estimate the amount of solid 1 secondlater.