Question 1 of 5Find (f - g)(x) and the domain:
Select the Correct Answer Below: Correct! Not Correct!
A
$$3x^2 - x - 5$$ $$\text{D:}[0, \infty)$$
B
$$-x^3 - 3x$$ $$\text{D:}(-\infty, 2)$$
C
$$-3x^2 + 2x^2 - 1$$ $$\text{D:}(-\infty, \infty)$$
D
$$x^3 + 3x$$ $$\text{D:}(-\infty, \infty)$$
E
$$-3x + x - 3$$ $$\text{D:}(0, \infty)$$
Question 2 of 5Find (fg)(x) and the domain:
Select the Correct Answer Below: Correct! Not Correct!
A
$$6x^3 + x^2 - x$$ $$\text{D:}(-\infty, \infty)$$
B
$$3x^4 - 4x^3 + 12$$ $$\text{D:}(-2, \infty)$$
C
$$-6x^3 + x - 1$$ $$\text{D:}(-\infty, \infty)$$
D
$$2x^2 + 10x - 7$$ $$\text{D:}[0, \infty)$$
E
$$3x^3 - 5x^2 - x$$ $$\text{D:}(-\infty, \infty)$$
Question 3 of 5Find (3f - 2g)(x) and the domain:
Select the Correct Answer Below: Correct! Not Correct!
A
$$2x - 15$$ $$\text{D:}(-\infty, \infty)$$
B
$$-x + 15$$ $$\text{D:}[0, \infty)$$
C
$$-2x^2 + 9x - 14$$ $$\text{D:}[0, \infty)$$
D
$$x + 15$$ $$\text{D:}(-\infty, \infty)$$
E
$$4x - 15$$ $$\text{D:}(-\infty, \infty)$$
Question 4 of 5Find (fg)(-4):
Select the Correct Answer Below: Correct! Not Correct!
A
Undefined
B
$$-\sqrt{13}+ 7$$
C
$$32$$
D
$$\sqrt{13}- 7$$
E
$$-12$$
Question 5 of 5Find (f/g)(3):
Select the Correct Answer Below: Correct! Not Correct!
A
Undefined
B
$$22$$
C
$$31$$
D
$$15$$
E
$$8$$

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