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I can't figure out how to solve this math problem. Given the function f(x)=1/x+9, calculate the following values: (f(a+h)-f(a))/h

User Kellee
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You substitute f(x) into the problem so
((1/(a+h)+9) - (1/a+9)) /h and that is all you can do
User Randall Borck
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