If f(x) =4x-2 and g(x) = x+1,
which of the following statements are true?
a.(f×g)(x)=4x²+2x-2
b.(f×g)(x)=4x+2
c.(g×f)(x)=2x-2
d.(g×f)(x)=x

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.