At an adventure resort, the total cost of a rafting trip consists of a fixed cost to rent the raft plus a per person cost for each person in the raft. At the resort, the fixed cost to rent a raft is $45 and the per person cost for each person in the raft is $25. Which of the following functions, represents the total cost, in dollars, of a rafting trip at the resort as a function of the number of people
in the raft
A
f(a) 25.1 +45
B
f (x) = 45.r+25
с
f(x) = (25+45)
D
f(x) - (45) (25)