Which function has x-intercepts of -1 and 1 and contains the point (2,3)? y=x^2-1, y=x^2+3, y=x^2-3, y=x^2+1

Tree diagram to find the prime factors of 18

Can someone pls ! pls answer all. no explanation needed..

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours