breastfeeding question, Pleaseee Help!!

Kayla

my baby is now 8 days, i wanted to know if i can switch back to breastfeeding her after giving her formula for the past 2days??? i have been pumping and storing the breastmilk, i just needed a break i was so exausted breastfeeding is so much work im getting about 3oz of milk and shes only drinking 2oz. im ready to get her back on the breast but i wanted to know if it was okay to do so?