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STALIN [3.7K]
2 years ago
13

Vertex represents a maximum or minimum point for the function. Explain your

Mathematics
1 answer:
Eddi Din [679]2 years ago
7 0

Answer:

the vertex represents a maximum

Vertex is (4,7)

f(x)=-(x-4)^2+7

Step-by-step explanation:

Given the function f(x)=-x^2+8x+9

Equation is in the form of y=ax^2+bx+c

a=-1

When 'a' is negative, then vertex is maximum

when 'a' is positive, then vertex is minimum

a=-1 is negative, so the vertex represents a maximum

f(x)=-x^2+8x+9, factor out negative

Take out negative sign in common

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