Answer:
f(0,0)=ln19
Step-by-step explanation:
is given as continuous function, so there exist
and it is equal to f(0,0).
Put x=rcosA annd y=rsinA

we know that
, so we have that


So f(0,0)=ln19.
Answer:
it is 5 feet squared
Step-by-step explanation:
multiply them all
8+~1-3=4
Explanation-
8-1 is the same as 8+~1 so=7
7-3=4