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Find the inverse function in slope-intercept form 
(mx+b) :

f(x)=-2x+4
Answer: 
f^(-1)(x)=

Find the inverse function in slope-intercept form (mx+b) (\mathrm{mx}+\mathrm{b}) :\newlinef(x)=2x+4 f(x)=-2 x+4 \newlineAnswer: f1(x)= f^{-1}(x)=

Full solution

Q. Find the inverse function in slope-intercept form (mx+b) (\mathrm{mx}+\mathrm{b}) :\newlinef(x)=2x+4 f(x)=-2 x+4 \newlineAnswer: f1(x)= f^{-1}(x)=
  1. Replace with yy: To find the inverse function, we first replace f(x)f(x) with yy to make the equation easier to work with.\newlineSo, we have y=2x+4y = -2x + 4.
  2. Swap xx and yy: Next, we swap xx and yy to find the inverse function. This means we replace every xx with yy and every yy with xx. So, we get x=2y+4x = -2y + 4.
  3. Isolate y: Now, we need to solve for y to get it in the form y=mx+by = mx + b, which is the slope-intercept form.\newlineFirst, we add 2y2y to both sides to start isolating y.\newlineThis gives us x+2y=4x + 2y = 4.
  4. Subtract xx: Next, we subtract xx from both sides to continue isolating yy. This gives us 2y=4x2y = 4 - x.
  5. Divide by 22: Finally, we divide both sides by 22 to solve for yy. This gives us y=4x2y = \frac{4 - x}{2}.
  6. Simplify equation: Simplify the equation to get it into slope-intercept form.\newlineThis gives us y=12x+2y = -\frac{1}{2} x + 2.

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