exam
Maths Puzzle
Numerical Ability
I need to find the slop of any line perpendicular to the line through points (0,5) and (-3,-4)
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exam Other Question
Find the domain of rational function: (2x+1)/(x-5)+1/(x+7)
A. real numbers except 5 and -7
B. real numbers except -35
C. real numbers except 2
D. all real numbers
-2 < 1/2g -4 < -1