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cocodemain
13.01.2021 •
Mathematics
long story short a blue car can travel 41 1/2 miles on 1 1/4 gals of gasoline. the red on can travel 22 2/5 on 4/5 gals of gasoline. what's the unit rate for each car and which car can travel the greater distance?
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Ответ:
a) f(x) has a maximum vertex
b) g(x) has a minimum vertex
Step-by-step explanation:
The function
has its vertex at (h,k).
If a>0, then (h,k) is a minimum vertex.
If a<0, then (h,k) is a maximum vertex.
The first function is
a=-1<0, therefore the vertex (1,5) is the maximum point.
The second function is
a=1>0, therefore the vertex (-2,-3) is a minimum point.