Answer:
B:x^4-8x^2-16
Step-by-step explanation:
B: 
is in standard form.
Answer:
3
Step-by-step explanation:
1926/9=214
1923+3=1926
Multiplying positive numbers always comes out positive, no matter how many there are. So you can forget about the positive ones.
Every two negative numbers in a multiplication produce a positive.
Another way to say that is: If the number of negative ones is EVEN,
the answer is positive, and if it's ODD, the answer is negative.
That monster product of eight numbers in problem #12 will be negative,
because there are an odd amount of negative factors in it.
If the question meant f(x)=2^(x) -3 then the answer should be 1 over 4 or 1/4
