Leann has $3.38 in her wallet, and Shannon has $2.87 in her wallet. How much more does Leann have in her wallet than Shannon?
1 answer:
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Answer:
vertex is (4,-25)
Step-by-step explanation:
To find out the vertex we use formula
From the given f(x), the value of a=1, b=-8 and c=-9
Plug in the values in the formula
x=4
Now find the value of y
plug in 4 for x in f(x)
The value of y is -25
The vertex is (4,-25)