Evalúe la función en el valor indicado
f(x)=6x−18x2,f(−2)
A.
94
B.
-94
C.
84
D.
-84
E.
0
f(x)=6x−18x2,f(−2)
A.
94
B.
-94
C.
84
D.
-84
E.
0
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Verified answer
Respuesta:
= -84
Explicación paso a paso:
[tex]\mathrm{For}\:f=6x-18x^2\:\mathrm{substitute}\:x\:\mathrm{with}\:-2\\=6\left(-2\right)-18\left(-2\right)^2\\\\=-6\cdot \:2-18\left(-2\right)^2\\=-12-\left(-2\right)^2\cdot \:18\\=-12-2^2\cdot \:18\\=-12-72\\= -84[/tex]