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dlinn [17]
2 years ago
9

19. Evaluate f(x) = -x² + 1 for x = -3. -4 -9 -8 4

Mathematics
1 answer:
vitfil [10]2 years ago
3 0

Answer:

substitute x=-3 :

-(-3^2)+1= -(9)+1= -8

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Determine the equation of the inverse of y=-4/x+1 The inverse is y=-a/x-b where a = a0 and b = a1
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<span>y=-4/x+1 is ambiguous, since it's not immediately clear whether you meant 

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y = -4/x   +    1      or      y = ---------
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I'm going to assume that the latter is what you meant.

1.  Interchange x and y, obtaining:

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2.  Solve this for y, obtaining  y+1 = -4/x, or   xy + x = -4, or
                                
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3.  Replace y with    f      (x):      f    (x) = -1 - -----
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This last result has the correct form.</span>
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