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Choose all of the equations below which are reciprocal functions.

y=x squared y=1/x+4 y=7/x y=2/x+5 y=x/8 y=3x+1

Choose all of the equations below which are reciprocal functions. y=x squared y=1/x-example-1

1 Answer

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Reciprocal functions have a general form of:


  • y= \cfrac{a}{x-h} +k, where a, h and k are constants

Let's see which of the given functions follow same form:


  • y= \cfrac{1}{x+4} a = 1, h = - 4, k = 0

  • y= \cfrac{7}{x} a = 7, h = 0, k = 0

  • y= \cfrac{2}{x} +5 a = 2, h = 0, k = 5

All the other functions are either linear or quadratic functions.

User Vinayknl
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