Answer:
-3
Step-by-step explanation:
f(x)=x²-8x-12
f(-1)=(-1)²-8(-1)-12
=1+8-12
=-3
The answer would be 4/5 and 40%
9514 1404 393
Answer:
2
Step-by-step explanation:
I find it convenient to remember that a logarithm is an exponent.

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log₂(8) +log₃(1/3) = log₂(2³) +log₃(3⁻¹)
= 3 -1 = 2
The value of the expression is 2.
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Some calculators can compute this for you directly.
2.1428 is the answer not in fraction
There would be one donut left. 3-2=1