Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
d^4-81
(d^2)^2-(9)^2
Using formula
(d^2+9)(d^2-9)
I do not know for sure but im almost 100% sure that the answer is y=97 and x=1.08 i hope that is correct and that it helps you out.
Answer:
The natural logarthim of a negative is undefined.