Answer:
a.Even
b.Odd
Step-by-step explanation:
We are given that function f has domain all real numbers .
We have to find that given function is even or odd
a.
We know that if function is even then f(x)=f(-x) and if function is odd then
Replace x by -x then we get
Therefore, function is even .
b.
Replace x by -x
Then we get
Hence, function is odd.
7
false
200
Substitute 15 for y