Answer:

when x is 2, y is -4

None of the objectives is right
Answer:
distance covered in 2 hours = 80 km
distance covered in 1 hour = 80÷2 = 40 km
distance covered in 7/2 hours = 40 × 7/2
= 140 km
(3 1/2hours = 7/2 hours)
If f(x) is the inverse of g(x) then if f(a)=b then g(b)=a
so if G(s) is the inverse of S(g) then if G(2)=16 then S(16)=2, true
yes, it's true
A is answer
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