AP Calc Random Question?

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how close to 2 do we have to take x so that 5x+3 is within distance of .025 from 13?

um. how do you figure that out? thanks

2007-12-19 13:58:28 · 2 answers · asked by mastriannichris 1 in Science & Mathematics ➔ Mathematics

f(x) = 5x + 3

Use the slope. x needs to be within:

.025/5 = .005

of 2 so that f(x) is within .025 of 13.

2007-12-19 14:08:18 · answer #1 · answered by Northstar 7 · 0⤊ 0⤋

if x=2.005
5(2.005)+3=13.025

So 2.005, I believe.

2007-12-19 22:09:01 · answer #2 · answered by Lutremi 2 · 0⤊ 0⤋