Answer:
what data
Step-by-step explanation:
20
the inverse of
y=1/2x + 10
is
x=1/2y+10
from here you just solve for y
x-10 = 1/2y
2(x-10) = y
2x-20 = y
y = 2(-4) - 3
y = -8 - 3
y = -11
