Iwill upvot
what is the value of f(x)=2(o.750^x when x=3
4.5
3.375
1.5
0.8444

answer: 43/157

this is the answer and if you try to prove me wrong your a meanie

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.