2.6/1.3 * (10^9/10^2)
2*10^7
D<-7
{d | d<-7}
Hope this helps!

<em><u>Solution:</u></em>
Given that,

We have to find whether the above function is odd or even
If a function is: y = f(x)
If f(-x) = f(x), the function is even
If f(-x) = - f(x), the function is odd
Which is,

From given,

Replace x with -x

Therefore,

Thus the function g(x) is even
Answer:
Considering the Law of Cosines:



