exam Maths Puzzle Numerical Ability

x2+5x-14 divided by x3+10x+21X

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exam Other Question

i totally blow at graphs....

graph each function
f(x)={x-1 if -3<x<0
{3x-1 if x>or=0 A purse has P218 in P10, P5, and P1 Coins. There are 46 coins in all and there are 4 more P5 coins than the P10 coins. How many of each kind of coin are there?? hope you can help me...