If you in middle school say what school ur at

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 check my answer? you : )

What are the sotions to the quadratic equation 9x^2=4