we are given
Since, we have to find inverse of this function
step-1: we set f(x)=y
step-2: switch x and y
step-3: Solve for y
now, we can use quadratic formula
or
..............Answer
A 21-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece, and the third pi
ece is three inches more than six times the length of the first piece. Find the lengths of the pieces
1 answer:
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