exam Maths Puzzle Numerical Ability

can you help me with this problem:which ordered pairis not a solution set of y>5x+1? a} (1,5) b} (1,6) c} (1,3) d}(2,5)

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exam Other Question

Determine which two functions are inverses of each other.

f(x) = g(x) = h(x) = x2
find the value of the expression 10C8
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10C8 is the same as 10C2
10C2 = [10*9]/[1*2] = 45
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Cheers,
Stan H.