INVERSE FUNCTIONS, MATH QUESTION/HELP, 10 POINTS....l<0><0>k!!!?

Question

Says:

Determine the inverse functions for the functions below. Begin by switching variables in the original function, then solving for the 'new' y.

state the Invariant.

1. Y = (-1/2)x + 7

10 points!!

Answer 1

x = -2(y-7)

Answer 2

x=-1/2y+7

x-7=-1/2y

y=-2x+7/2

make it a good day

Answer 3

Y = (-1/2)x + 7

X=-1/2y+7

simplify y:

1/2y=-x+7

y=-2x+14