Question

g={(0,7),(5,0),(7,-7),(9,2)}
h(x)=3x+14
find:
g^-1(0)=?
h^-1(x)=?
(h^-1oh)(-5)=?

Answer 1

please i have no idea where to start

Answer 2

does h^-1 mean the inverse of h?

Answer 3

i dont know thats all it say's

Answer 4

if so let y = 3x + 14
so x =[ y - 14] / 3

so h^-1 x = (x - 14) /3

Answer 5

i'm pretty sure thats right - im a bit rusty in functions

Answer 6

thank you! i dont know but something about the way you put that answer made it make sense.

Answer 7

as for g the first numbers in brackets are the domain of g and second ones are the range
domain means the values of x and range are the values of g(x)

Answer 8

(0,7) means if x = 0 then g(x) = 7.
for the inverse then 7 is in domain and this maps to 0 in the range.
so i think g^-1(0) = 7

Answer 9

i have no idea what (h^-1oh)(-5) means. its the oh bit that fools me

Answer 10

yeah i finally figured it out it was inverse of h of h where h=-5