F (x) = 3x + 6. Find the inverse of F * (x). O A. f-1(x) = 6b – 3x
O B. f-1 (x) = 3x – 6
O c. f-1(x) = 17
OD. f-'(x) = ?
2-6
3
2-3
6

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Precalculus question, image attached.

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?