How many dessert combinations does Megan have? Just write the number in the space below
1 answer:
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Answer:
a)
b) l=19.2 units
Step-by-step explanation:
a)Let F represent the force and l represents the length of the wrench handle.
Then inverse variation relation is:
When we introduce the variation constant, we get:
From the question when F=96, l=12
The equation is
b) If a person can only exert 60 pounds of force on a wrench,then
Hence the length of the wrench must be 19.2 units
So... notice the picture below, that's P(x)
so
so.. when the quantity is
, is when the profit 
is the highest
after that, as you can see from the graph, it goes back down
so
so.. when the quantity is
after that, as you can see from the graph, it goes back down