To find f(-3), we substitute -3 into the equation for x:
f(-3) = 11 - 6(-3-8)
Simplifying inside the parentheses:
f(-3) = 11 - 6(-11)
Now we multiply:
f(-3) = 11 + 66
Finally, adding:
f(-3) = 77
if f(x)=11-6(x-8) what is f(-3)
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