exam Maths Puzzle Numerical Ability

Find each value of f(x)=x^2+2x-4/x+6

1. f(4) 2. f(-8)


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exam Other Question

Hello, can you please help me with this problem below?

Solve each equation:
-3 -4( t-5)= -2 (t +3) + 11
please help!

Graph x = 3 and 3x - 4y = 12 on a rectangular coordinate system