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klio [65]
3 years ago
11

I need help with this problem. Please answer and explain! (Ignore selected answer)

Mathematics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

  g'(0) = 1

Step-by-step explanation:

The derivative of a function g at a number a, denoted by g'(a), is given by the definition of the derivative:

  \displaystyle g'(a) = \lim_{h\to0} \dfrac{g(a+h) - g(a)}{h}

In the definition of the derivative, "h" can be understood to be the horizontal change in the function with respect to a number <em>a</em>.

So g'(0) is

  \displaystyle g'(0) = \lim_{h\to0} \dfrac{g(0+h) - g(0)}{h}=\lim_{h\to0} \dfrac{g(h) - g(0)}{h}

The variable in the limit is bound; without any other variables around, we can change the variable name to another reasonable variable name and it will still be the same. Hence we can change h to x and it will be equivalent:

  \displaystyle g'(0) = \lim_{x\to0} \dfrac{g(x) - g(0)}{x} = 1

thus the given limit implies g'(0) = 1.

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