exam
Maths Puzzle
Numerical Ability
5b + 8
______ < 3b
3
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exam Other Question
Ron Wood can paint a room in 6 hr working alone. If his son, Jason, helps him, the job takes 4 hr. How long would it take Jason to do the job if he worked alone?
Determine where the function is increasing and where it is decreasing.
f(x) = 4x^2 - x - 3