The answers are:
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[A]: f(x) = -8 ; AND:
[B]: f(x) = -3 .
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1 Collect like terms
(−y3+4y3)+(−7+4)+(11x2+2x2)
2 Simplify 3y3−3+13x2 to:
3{y}^{3}-3+13{x}^{2}
Answer: 3y^3−3+13x^2
Of What Angle? Did You Include The Picture?
