3 years ago

Evaluate f(x) = -2x squared - 4 for x = 3

1 answer:

7 0

$f(x)=-2x^2-4;\ \text{for}\ x=3\\\\\text{substitute:}\\\\f(3)=-2\cdot3^2-4=-2\cdot9-4=-18-4=-22$

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