JAMB - Mathematics (2008 - No. 40)
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
3x+3
3x+1
2x+5
2x+1
Paskaidrojums
x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x, 3x+1
Range = 4x - (x-3)
= 3x + 3
Range = 4x - (x-3)
= 3x + 3