Need help really hard for mev

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.)

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).