Question

The value of f(y) + f(-y) when f(y) = y-5 is -----------

a)0

b)10

c)-10

d)-5

​

Answer 1

Answer:

The answer is -10

Step-by-step explanation:

f(y)=y-5

f(-y)= -y-5

adding these we get

y-5-y-5=-10