Answer: OPTION C
Step-by-step explanation:
To solve the exercise shown in the image attached, you need to subtract the functions f(x) and g(x).
Keeping the above on mind, you have:

You must distribute the negative sign and then you must add the like terms, therefore, you obtain:

Remember you can do anything to an equation as long as you do it to both sides
5c+16.5=13.5+10c
minus 5c both sides
16.5=13.5+5c
minus 13.5 from both sides
3=5c
divide both sides by 5
3/5=c
Answer: 20%
1/(1+4) = the answer
its just the amount of lemon juice over total volume
Answer: A>7
Step-by-step explanation: