Express [f(x + h) - f(x)]/h, where h cannot = 0 when f(x) = 5 The answer is 0 but I have no idea how to solve it. Believe it or not, this question comes from a pre-algebra textbook NOT calculus.
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Originally Posted by sharkman Express [f(x + h) - f(x)]/h, where h cannot = 0 when f(x) = 5 The answer is 0 but I have no idea how to solve it. Believe it or not, this question comes from a pre-algebra textbook NOT calculus. Hi Since f(x)=5 (a constant) , so f(x+h)=5 too . (5-5)/h=0/h=0
Originally Posted by mathaddict Hi Since f(x)=5 (a constant) , so f(x+h)=5 too . (5-5)/h=0/h=0 After playing it with further, I also determined that f(x+h) also = 5. Thanks
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