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Nookie1986 [14]
2 years ago
6

Evaluate f(-7). f(x)=3x^2 a) -441 b) -147 c) 78 d) 147

Mathematics
1 answer:
vlabodo [156]2 years ago
7 0

Answer:

a

Step-by-step explanation:

replace x with -7

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Viefleur [7K]
7x²=9+x
so
for
0=ax²+bx+c

x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}
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