Question

If f(x)= 2x2+3x-2, find f(-2)​

Answer 1

Answer:

44

9

or

4

8

9

or

4.88889

Because  

f

(

x

)

=

2

x

2

−

3

x

+

2

, and  

f

(

−

2

3

)

, this means  

−

2

3

should be inserted for  

x

.

Step-by-step explanation:

(

−

2

3

)

2

=

(

−

2

3

)

⋅

(

−

2

3

)

=

4

9

4

9

⋅

2

=

8

9

−

3

⋅

(

−

2

3

)

=

−

2

⋅

−

3

3

=

6

3

=

2

2

+

2

+

8

9

=

4

8

9

=

4.88889

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Answer 2

Answer:

0

Step-by-step explanation:

2*(-2)2+3(-2)-2

8-6-2

8-8

0