Try using photomath it will explain on what to do.
Replace f(x) in the equation with what it equals:

Distribute 4 to each term in parentheses:



The answer is
C.
It's the sec0nd 0ne. I think
Answer:
$1.27
Step-by-step explanation:
The cost of a unit item can be found by dividing the total amount paid by the total quantity given. In this case, the total quantitu is given as 3.05 pounds and the price is also given.
Since 3.05 pounds cost a total of $3.87 then the cost per pound would be given by dividing the amount paid by the pounds given
$3.87÷3.05=$1.2688524590163 per pound
Rounded off, then 1 pound is approximately $1.27
Answer:
45
Step-by-step explanation:
or pi/4 is correct