If x gt 0 find the range of number x-3 3x 2 x-1... - JAMB Mathematics 2008 Question
If x > 0, find the range of number x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1
A
3x+3
B
3x+1
C
2x+5
D
2x+1
correct option: c
x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x, 3x+1
Range = 3x+2 - (x-3)
= 3x+2 - x - 3
= 2x + 5
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