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Maths Puzzle
Numerical Ability
I need help finding the value of x in the problem 7(x - 3)= 4(x = 5). Can you please walk me through the steps.
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I have been given 2 partitioned matrices, each is 3x3, one the inverse of the other.
I 0 0 | I 0 0
C I 0 | Z I 0
A B I |
Let f(x) = 2x + 1 and g(x) = x^2 - 4 and find the following:
(fg)(x)
(g of f)(x)