Question

chemical reactioe.de function y-f(r) moels the amount of s Daring a substance present, in pana Al the start of the reaction (0),there are 10 grams of the substance peesenl. The function ) satisfies the differential equation el Use the line tangent to the graph of y-e) ar-oto approsimate the amount of the substance remaining at time2 soconds. (b) Using the given differential equation, determine whether the graph of f could resemble the following graph. Give a reason for your answer ld) (0) Detemine whether the amount of the substance is changing at an iacreasing or a decreasing rate. Explain your reasoning

Answer 1

dy 2 Amount remaining ot 2 is(0 is alu hve ir ale dJ on five. H oill no rejemple HR ro to 의. I+.21)3 o t in ere a amount // ,人之 ak a an Ce rate os ere aj