Please help

\\v\" 1. Graph each of the following functions: g[x)=m+l 2. A group of three restaurant patrons order the same meal and drink and leave an 18% tip. Determine functions that represent the cost of a. all of the meals before tip. 2a b. one patron's meal with tip. 2b c. for all the meals including tip. 2: 3. Given f(x) =2x2 -5x+ 1 and g(x) =2x -3, find, in terms of x: a. (f+g) (x) 3a b. (f - 8) (x) 3b c. (f.g) (x) 3c. 3d e. f(8(x)) note: the book uses (fog)(x) for f (8(x)) 3e f. 8 (f (x) ) 3f. 4. Using the same functions in question 2, evaluate the following: a. (f+8) (3) 4a. b. (f -8) (3) 4b c. (f.8) (3) 4C ( $ ) (3) 4d e. f(8(3)) 4e f. 8 (f (3) ) 4f_5. Determine whether each function, f, has an inverse function and if it does, find the inverse. a . f ( x ) = Vx-1 5a. b. f(x ) = 2x -1 x+7 5 b- C. f (x) = ( x - 3 ) 5c 6. Airplanes are often used to drop water on forest fires in an effort to stop the spread of the fire. The time in seconds it takes the water to travel from the plane to the ground is given by the function 1(h ) = h , where h is given in feet. a. Find the inverse of the function. 6a b. If the water takes 8 seconds to hit the ground, from what height did the plane drop the water? 6b