Would appreciate some here, !
given f(x) = x + 1 and g(x) = x – 1, find (fg)(x).

and the options are:
2x
x2 + 2x – 1
x2 – 1
-2

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

(60 points) explain this in detail

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi