exam Maths Puzzle Numerical Ability

If f (x) = 5x – 1, find the following:

9. f (a -2)

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exam Other Question

2. Given the following values 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, x, and y, form:



A linear equation in one variable

A linear equation in two variables

A quadratic equati
are these simplified there furthest: 1.) 5x^3/125x^3
2.) 343t^9/21t???? ^ means 2 the power 2. could any of theses 2 be simplied any further?????