Let f(x) = x2 - 3x - 7. Find f(-3)

1 answer:

5 0

$f(x)=x^2-3x-7\\\\
f(-3)\\
Substitute\ x=-3\\\\
f(-3)=(-3)^2-3*(-3)-7\\
f(-3)=9+9-7=18-7=11\\\\\
Solution\ is\ f(-3)=11$

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