Answer:
B. 81 weeks
Step-by-step explanation:
If we plug everything into the equation it should look like this:

Then we would subtract 1 from both sides, then we are left with <em>w:</em>
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<em>Hope this helps!</em>
Step-by-step explanation:
please put up the options:(
Its [67;+infinity).
Hope i helped
Plug in the values 1,4, and 9 into the equation one by one. Plug it in as the x value.
y=-1/2 times root 1 = -1/2
(x,y)=(1,-1/2)
y=-1/2 times root 4 = -1
(x,y)=(4,-1)
y=-1/2 times root 9 = -3/2
(x,y)=(9,-3/2)