book
Maths Puzzle
Numerical Ability
Determine the interval over which f(x)= the absolute value x-4 - the absolute value x+5 is a constant function.
Read Solution (Total 0)
book Other Question
Graph: y = 2x + 2
1) 3x-2y=4
2x-5y=21
2) 4x+5y=-5
3x+y=21
3) 3x+y=7
3x+y=10
I cannot find the solutions to these systems. PLEASE HELP! I have to have them due soon!