if y = 2x then x = log2 y
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y=x+2/4 (x+2 is all over four)
x=(y-3)/2
If you are saying that the original function is g(x) = 0.75x + 2, then the inverse, or g'(x), would be equal to (4/3)(x - 2).
A similar question can be solved as below : If x to the power 4 plus 1 upon x to the power 4 equals 23 then what will be (x minus 1 upon x) to the power 2 equals what?a2 + b2 = (a + b)^2 - 2ab.so (x^2 )^2 + (1/x2)^2 = (x^2 + 1/x^2)^2 - 2 = 23.so (x^2 + 1/x^2) = 5.therefore(x - 1/x)^2 = (x^2 + 1/x^2) -2 = 5 -2 = 3.
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