What is the avgchangerate f(x)=(-1)/x ,(1,2) ?

The avgchangerate f(x)=(-1)/x ,(1,2) is 1/2

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Find the Average Rate of Change f(x)=-1/x , (1,2)

average rate of change

f (x) = \frac{- 1}{x}, (1, 2)

\frac{1}{2}

Solution steps

= \frac{f ( 2 ) - f ( 1 )}{2 - 1}

f (1) = - 1

f (2) = - \frac{1}{2}

= \frac{- \frac{1}{2} - ( - 1 )}{2 - 1}

\frac{- \frac{1}{2} - ( - 1 )}{2 - 1} = \frac{1}{2}

The average rate of change is:

= \frac{1}{2}

y = sec (x)

a = 0 f (x) = 1 - x, a = 0

f (c) = 50 c

16 - x, x = 5

\frac{18}{x}

What is the avgchangerate f(x)=(-1)/x ,(1,2) ?
The avgchangerate f(x)=(-1)/x ,(1,2) is 1/2