SOLUTION: 1. Given the function f(x) = x^2 + 6x, which of the following equals f(1 + x)? 2. Given the function g(t) = 2t^2– t – 1, which of the following equals g(2 + 3 )?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: 1. Given the function f(x) = x^2 + 6x, which of the following equals f(1 + x)? 2. Given the function g(t) = 2t^2– t – 1, which of the following equals g(2 + 3 )?      Log On


   

Question 972547: 1. Given the function f(x) = x^2 + 6x, which of the following equals f(1 + x)?
2. Given the function g(t) = 2t^2– t – 1, which of the following equals g(2 + 3 )?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
f(1+x)= (x+1)^2 + 6 (x+1)
= x^2+2x+1+6x+1
=x^2 +8x+2


g(2t+3)
=2* (2t+3)^2-(2t-3) -1
=2* (4t^2)+12t+9)-2t+3-1
=8t^2+22t+20