Exponential and Logarithmic functions, Grade 12 advanced functions questions. (Please only answer if you are answering a

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Exponential and Logarithmic functions, Grade 12 advancedfunctions questions. (Please only answer if you are answering allif not leave it for the next person) Please clearly write theanswers in steps with a blue pen on white paper. thanks.
1.
a)
Discuss why exponential equations of the form f(x) = a(b^x)always have positive instantaneous rates of change when a ispositive and b is greater than one, and why they always havenegative instantaneous rates of change when a is positive and b isbetween 0 and 1.
b)
Discuss the differences between the domain of belowfunctions;
a) (f/g)(x) VS (g/f)(x)
b) (fog)(x) VS (gof)(x)