exam Maths Puzzle Numerical Ability

12x^2-5x-2 [times] 18x+12 [times] 1/27x^3-12x

the three equations need to be multiplied together. the last one is a fraction, 1 over 27x3-12x

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exam Other Question

Is this function always increasing, decreasing, or remaining constant?

y = 0(-x + 1)

a. always increasing
b. always decresing
c. always constant
d. there is no way to know
You cannot change the order of the numbers but you may put two numbers to gether to form a two digit number. You must observe the order of operations.
1 2 3 4 5 6 7 8 9 =90

Th