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Arada [10]
3 years ago
7

Find an equation for the inverse function

Mathematics
1 answer:
Daniel [21]3 years ago
5 0

Given the function f(x)=\frac{6x+9}{x-7} ,x\neq 7.

Let y=\frac{6x+9}{x-7}. Now solve for x,

y=\frac{6x+9}{x-7} \\ y(x-7)=6x+9\\ yx-6x=9+7y\\ x(y-6)=9+7y\\ x=\frac{9+7y}{y-6}

Thus, the inverse function is

f^{-1}(x)=\frac{9+7x}{x-6},x\neq 6

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Answer:

Step-by-step explanation:

Patrick pizza parlor is famous for its giant circular pizza, which has an area of 1519.76 square inches. The pizza is circular in shape. The formula for determining the area of a circle is expressed as

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π is given as 3.14

Therefore,

1519.76 = 3.14 × r^2

r^2 = 1519.76/3.14 = 484

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r = √484 = 22 inches

Diameter = 2 × radius.

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