What happens as x approaches zero from the positive direction? What happens as x approaches zero from the negative direction?

Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative.b. it is a horizontal shift.c. it is not a function.d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)

Can someone me with this problem i don't understand i need

Average acceleration: i have no idea how to do this.