SOLUTION: I need some serious help on this problem! I'm suppose to evaluate the expression f(x)=2x+2 over x, for x=5 I'd would appreciate anyone that can help me solve this problem. Thank

Algebra ->  Expressions-with-variables -> SOLUTION: I need some serious help on this problem! I'm suppose to evaluate the expression f(x)=2x+2 over x, for x=5 I'd would appreciate anyone that can help me solve this problem. Thank      Log On


   

Question 152264This question is from textbook Intermediate Algebra
: I need some serious help on this problem!
I'm suppose to evaluate the expression f(x)=2x+2 over x, for x=5
I'd would appreciate anyone that can help me solve this problem.
Thanks This question is from textbook Intermediate Algebra

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=%282x%2B2%29%2Fx Start with the given function.


f%285%29=%282%285%29%2B2%29%2F5 Plug in x=5.


f%285%29=%2810%2B2%29%2F5 Multiply


f%285%29=%2812%29%2F5 Add


So the answer is f%285%29=%2812%29%2F5 which in decimal form is f%285%29=2.4