SOLUTION: What is f(x+1)? 1) 7 2) 2a-5 3) 2a+5 4) a+5 The book says the answer is 3, but I need an explanation.

Algebra ->  Functions -> SOLUTION: What is f(x+1)? 1) 7 2) 2a-5 3) 2a+5 4) a+5 The book says the answer is 3, but I need an explanation.      Log On


   

Question 1036617: What is f(x+1)?
1) 7
2) 2a-5
3) 2a+5
4) a+5
The book says the answer is 3, but I need an explanation.
Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.
Hello, first answer my question: what is f(x)?

When you answer, we will be in position to answer yours.

And keep this rule: think before ask/post a question.