Answer:
the answer is
, and -
which is C.
Step-by-step explanation:
well I got that answer by doing this
we have
= 5
For
= f (a) the solutions are x =
, - 
so in this case the solutions are
, and -
HOPE THIS HELPS :)
I found that the given prices are $ 4 per pack of pens and $ 3 per pack of penciles.
The question is how much the bookstore spent on pens.
Then you have to multiply the number packs of pens, which is 1,528, times the price per pack pens which is $ 4.
So, the answer is: 1528 packs of pens * $ 4 / pack of pens = $6112.
You forgot to post the function