jameshale7272
jameshale7272 jameshale7272
  • 21-06-2020
  • Mathematics
contestada

if F (x) equals 4x + 7 which of the following is the inverse of F(x)​

if F x equals 4x 7 which of the following is the inverse of Fx class=

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sqdancefan
sqdancefan sqdancefan
  • 21-06-2020

Answer:

  [tex]F^{-1}(x)=\dfrac{x-7}{4}[/tex]

Step-by-step explanation:

To find the inverse function, solve for y the relation ...

  F(y) = x

  4y +7 = x

  4y = x - 7

  y = (x -7)/4 . . . . the inverse function

  [tex]\boxed{F^{-1}(x)=\dfrac{x-7}{4}}[/tex]

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fatimashahjahan27
fatimashahjahan27 fatimashahjahan27
  • 21-06-2020
Answer: B

4x+7=y

Subtract 7 from both sides

4x=y-7

Divide both sides by 4

x= (y-7)/4

Switch x and y

y= (x-7)/4

So the answer is B
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