EDGE Math 8

Let

f (x) = 2 x + 5

and

g (x) = 3 x - 1.

Let

f (x) = 2 x + 5

and

g (x) = 3 x - 1.

Evaluate each function notation. Choose your answer.

1.	$(f + g) (0)$

None of the choices

Answer: 4

2.	$(f - g) (- 2)$

–8

None of the choices

Answer: 8

3.	$(f \cdot g) (5)$

210

180

150

None of the choices

Answer: 210

4.	$\frac{f}{g} (- 1)$

- \frac{7}{4}

- \frac{3}{4}

\frac{7}{4}

None of the choices

Answer: $- \frac{3}{4}$

5.	$(f \circ g) (2)$

None of the choices

Answer: 15

6.	$(g \circ f) (- 3)$

–2

–4

–6

None of the choices

Answer: –4

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