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let y=f(x)=1/2x + 1 calculate x if y=4?

2007-03-10 11:19:52 · 2 answers · asked by jos3308 2 in Science & Mathematics ➔ Mathematics

2 answers

4 = 1/2 x + 1
3 = 1/2 x
x = 6

2007-03-10 11:23:02 · answer #1 · answered by richardwptljc 6 · 0⤊ 0⤋

Let y= 4 = f(x) = 1/2x +1 ==> 1/2x = 4 -1= 3 ==> x = 6

2007-03-10 19:35:18 · answer #2 · answered by physicist 4 · 0⤊ 0⤋

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