Answer :
f(x)=16-3x
And we need to evaluate f(2a-5). That means x= 2a-5
f(2a-5)= 16- 3(2a-5)
f(2a-5)= 16-(6a-30)
f(2a-5)= 16-6a+30
f(2a-5)=46-6a
So your answer is ’46-6a’ :)
And we need to evaluate f(2a-5). That means x= 2a-5
f(2a-5)= 16- 3(2a-5)
f(2a-5)= 16-(6a-30)
f(2a-5)= 16-6a+30
f(2a-5)=46-6a
So your answer is ’46-6a’ :)