Use the algebraic procedure explained in section 8.9 in your book to find the derivative of f(x)=1/x. use h for the small number. (hint: simplify f(x+h)-f(x) by finding a common denominator and combining the two fractions).

By definition, the derivative of f(x) is

Let's use the definition for

Then,

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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