exam Maths Puzzle Numerical Ability

if f (x) = 4x - 3, find the following: f (-1)

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exam Other Question

w-4/3w ÷ 2w-8/9w Graph the quadratic equation after completing the given table of values.
y = x2 + 2x – 3
x y
–3 0
–2 -3
–1 -4
0 -3
1 0

First is that table right? and second I don