If st=qr and qr=ab then st=ab
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Answer:2 in.
Step-by-step explanation:
Given
Dimension of photo frame is
If the photo cover an area of
Suppose x be the width of border
Therefore dimension of frame without border is
And must be equal to
So,
Thus there are two values of x out of which is not valid because it is not feasible
thus width of border is
the function f(x) = 4(x+3) − 5
Lets find the inverse function f^-1(x)
step 1: Replace f(x) with y
y = 4(x+3) − 5
step 2: Replace x with y and y with x
x = 4(y+3) - 5
step 3: Solve for y
x = 4(y+3) - 5
x = 4y +12 -5
x= 4y + 7 (subtract 7 on both sides)
x - 7 = 4y (divide by 4 on both sides)
Given : x = 3
We plug in 3 for x in the inverse function
= -1
the inverse function when x = 3 is -1