A sports trainer has monthly costs of $68.29 for phone service and $45.42 for his website and advertising. In addition he pays a $20 fee to the gym for each session in which he trains' a client.

A) write the function to represent the cost C(x) for x training sessions.

B) write a function representing the average cost C(x) for x sessions.

C) Evaluate C(10), C(50), C(100). Round your answer to two decimal places if necessary.

your answer would be 12

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

i think it might be a but you might want a second opinion

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2