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mrs_skeptik [129]
2 years ago
9

how do you slove this question i know the answer but don't know how to get it ;A quart of milk costs $0.35. A case of 12 quarts

cost $4.08. How much is saved per quart buying the case?
Mathematics
1 answer:
gladu [14]2 years ago
3 0

Answer:

$0.01 or 1 cent.

Step-by-step explanation:

Case: 12 quarts = $4.08

1 quart for case= $0.34

A quart normal= $0.35

0.35-0.34=$0.01

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Find (f −1)'(a).<br><br> f(x) = 4 + x2 + tan(πx/2), −1 &lt; x &lt; 1, a = 4
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The  solution  is   (f^{-1})'(a) = \frac{2}{\pi }

Step-by-step explanation:

From the question we are told that

      The  function is  f(x) =  4 +  x^2  + tan [\frac{ \pi x}{2} ] ,     -1 <  x  <  1  a =  4

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Differentiating  f(x)

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    since 0 =  f^{-1} (4)

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Now  

        (f^{-1})'(a) =  \frac{1}{(\frac{\pi}{2} )}

        (f^{-1})'(a) = \frac{2}{\pi }

       

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