exam
Maths Puzzle
Numerical Ability
If P = 7y + 2xy - 6x and Q = 5 - 7y, find the value of 3P - 4Q.
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Need help solving this:
(ab+1)(a-2)
Given: f(x)=3x-5 and g(x)=-5x+2
1. Find f[g(-1)]
2. Find g[f(4)]