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15 votes
15 votes
Given the function f)(x) =-x^2+3x+8,determine the average rate of change of the function over the interval listed in the picture. ​

Given the function f)(x) =-x^2+3x+8,determine the average rate of change of the function-example-1
User Alexander Suraphel
by
2.7k points

2 Answers

21 votes
21 votes

Answer:

Vertex:

(

3

2

,

41

4

)

(

3

2

,

-

41

4

)

Focus:

(

3

2

,

10

)

(

3

2

,

-

10

)

Axis of Symmetry:

x

=

3

2

x

=

3

2

Directrix:

y

=

21

2

y

=

-

21

2

x

y

0

8

1

10

3

2

41

4

3

8

4

4

Vertex:

(

3

2

,

41

4

)

(

3

2

,

-

41

4

)

Focus:

(

3

2

,

10

)

(

3

2

,

-

10

)

Axis of Symmetry:

x

=

3

2

x

=

3

2

Directrix:

y

=

21

2

y

=

-

21

2

x

y

0

8

1

10

3

2

41

4

3

8

4

4

Explanation:

User Troy Watt
by
3.1k points
26 votes
26 votes

Answer:

the answer is -3.

Explanation:

User Bryan McLemore
by
2.9k points