EDGE Math 8

Let

f (x) = 2 x^{2} + 3 x - 2.

Let

f (x) = 2 x^{2} + 3 x - 2.

Evaluate f (x) for each given value. Choose your answer.

f (5)

None of the choices

Answer: 63

f (0)

−2

None of the choices

Answer: −2

3.	$f (x + 1)$

2 x^{2} + 3 x - 1

2 x^{2} + 3 x + 1

2 x^{2} + 7 x + 3

None of the choices

Answer: $2 x^{2} + 7 x + 3$

f (- x)

- 2 x^{2} - 3 x + 2

2 x^{2} - 3 x - 2

- 2 x^{2} - 3 x - 2

None of the choices

Answer: $2 x^{2} - 3 x - 2$

5.	$f (x - 1)$

2 x^{2} + 3 x - 3

2 x^{2} + 3 x + 3

2 x^{2} - x - 3

None of the choices

Answer: $2 x^{2} - x - 3$

6.	$f (x^{2})$

2 x^{4} + 3 x^{2} - 2

4 x^{4} + 3 x^{2} - 2

4 x^{4} + 9 x^{2} - 2

None of the choices

Answer: $2 x^{4} + 3 x^{2} - 2$

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