exam Maths Puzzle Numerical Ability

Hi,
Can you help me with this math problem?

Use synthetic division to find the function value.
f(x) = 2x^4 + 4x^3 + 2x^2 + 3x + 8; find f(-2)

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exam Other Question

im lost again. the instructions say to graph each equation. the problem is

y=4

how do i graph the equation if there is no x? I had a line that goes through (12,-9) and has a slope of -1/3 would it be y=-1/3x+5