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Tems11 [23]
3 years ago
9

Find the inverse of the function: f(x)= 2x-3/x+1

Mathematics
1 answer:
den301095 [7]3 years ago
3 0
f(x)=\frac{2x-3}{x+1}\\\\
y=\frac{2x-3}{x+1}\\\\
y(x+1)=2x-3\\\\yx+y=2x-3\\\\yx-2x=-3-y\\\\x(y-2)=-3-y\\\\
x=\frac{-3-y}{y-2}\\\\
f(x)=\frac{-3-y}{y-2}
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Renee is simplifying the expression (7) (StartFraction 13 over 29 EndFraction) (StartFraction 1 over 7 EndFraction). She recogni
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Answer:

The correct option is commutative property.

Step-by-step explanation:

The expression that Renee is simplifying is:

(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})

It is provided that, Renee recognizes that 7 and \frac{1}{7} are reciprocals, so she would like to find their product before she multiplies by \frac{13}{29}.

The associative property of multiplication states that:

a\times b\times c=(a\times b)\times c=a\times (b\times c)

The commutative property of multiplication states that:

a\times b\times c=a\times c\times b=c\times a\times b

The distributive property of multiplication states that:

a\cdot (b+c)=a\cdot b+a\cdot c

The identity property of multiplication states that:

a\times 1=a\\b\times 1=b

So, Renee should use the commutative property of multiplication to find the product of 7 and \frac{1}{7},

(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})=(7\times\frac{1}{7})\times\frac{13}{29}=\frac{13}{29}

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Step-by-step explanation:

Length of rectangle = x+4

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The formula used is:

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Putting values and finding x first:

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So, value of x is 0.7

Now width= 12x = 12(0.7)

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So, width of rectangle is 8.4 cm.

Keywords: Perimeter of Rectangle

Learn more about perimeter of rectangle at:

  • brainly.com/question/6564657
  • brainly.com/question/6594923
  • brainly.com/question/1822996

#learnwithBrainly

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