In each of the following, if x ≧ 6, write down an inequality to show the range of values of y.
(a) y=4x (b) = 2x-5
********* Please list out all the steps.************
linear inequalities in one unknown --- URGENT
2007-11-19 5:55 pm
回答 (1)
2007-11-19 9:08 pm
✔ 最佳答案
(a)x ≧ 6
4(x)≧ 6(4)
y≧ 24
(b)
x≧ 6
2x≧ (6)(2)
2x ≧12
2x-5≧ 12-5
y≧ 7
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