Problem

Question 7
Find the inverse of f(x)=3x24x+1
f1(x)=
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Answer

f1(x)=4x23x+1 is the final answer.

Steps

Step 1 :The problem is asking for the inverse of the function f(x)=3x24x+1.

Step 2 :To find the inverse of a function, we need to switch the roles of x and y and solve for y.

Step 3 :Let's start by replacing f(x) with y, so we have y=3x24x+1.

Step 4 :Next, we swap x and y to get x=3y24y+1.

Step 5 :Now, we solve for y to get the inverse function. We can do this by multiplying both sides by 4y+1 and then adding 2 to both sides and dividing by -3.

Step 6 :This gives us the inverse function f1(x)=4x23x+1.

Step 7 :f1(x)=4x23x+1 is the final answer.

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