Questions 1-2: Find the domain and range for f(x) = x² - 6x + 9.

Domain:
(0 , ∞)

(-∞ , 3)

(-∞ , ∞)

(3 , ∞)


Range:
[3 , ∞)

(0 , ∞)

(-∞ , ∞)

[0 , ∞)



Questions 3-4: Find the domain and range of the function:



Domain:
[-20, 20]

[0,20]

[-10 , 10]

[0 , ∞)




Range:
[-20 , 20]

[0 , 20]

(-∞ , -20]

[20 , ∞)




Question 5: Find the domain of the function:



(-∞ , -3) ∪ (3 , ∞)

(-∞ , 0) ∪ (3 , ∞)

(-∞ , 3) ∪ (3 , ∞)

(-∞ , -3) ∪ (-3 , 3) ∪ (3 , ∞)



Question 6: Find the domain of the function:



(-4 , -1] ∪ [1 , 4)

(-∞ , -1) ∪ (1 , ∞)

(-∞ , -4) ∪ (4 , ∞)

(-∞ , -4) ∪ [-1 , 1] ∪ (4 , ∞)



Question 7: Find the domain of the function:



[-6, ∞)

[6, ∞)

[-6, 6]

[0, ∞)



Questions 8-9: Find the domain and range of the function:

f(x) = |x² - 1|

Domain:
(-∞ , ∞ )

(-∞ , 1) ∪ (1 , ∞)

(-∞ , -1) ∪ (1 , ∞)

(1 , ∞)



Range:
[1 , ∞)

(-1, 1)

[0 , ∞)

(-∞ , -1] ∪ [1 , ∞)





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