exam Maths Puzzle Numerical Ability

Given f(x) = 5x2 - 3x + 1, find f(-2).


Im getting -13
Am I correct?

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exam Other Question

P = R - C
_______
n Solve for R (Business)
Solve the system by graphing, addition and substitution methods.
4x - 4y = -8
y = 2 + x