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"If ƒ(x) = √(x²) -9, then domain of f is" Multiple Choice Questions (MCQ) on algebra problems with choices [-∞,-2]∪[2,∞], [-2,2], [-3,3], and [-∞,-3]&cup'[3,∞] to learn online certificate courses. Practice merit scholarships assessment test, online learning algebra problems quiz questions for competitive exams in math majors for accelerated bachelors degree online.

MCQ: If ƒ(x) = √(x²) -9, then domain of f is

1. [-∞,-2]∪[2,∞]
2. [-2,2]
3. [-3,3]
4. [-∞,-3]&cup'[3,∞]

D

MCQ: If ƒ(x) = √(x² -1), then domain of f is

1. [-∞,-1]∪[1,∞]
2. [-2,2]
3. [-∞,-2]∪[2,∞]
4. [-∞,-3]∪[3,∞]

A

MCQ: If ƒ(x) = √(x² -4), then domain of f is

1. [-∞,-2]∩[2,∞]
2. [-∞, ∞]
3. [-2,2]
4. [-3,3]

D

MCQ: If ƒ(x) = √(x +1, then domain of f is

1. [-∞,0]
2. [-∞, ∞]
3. [0,∞]
4. none of these

C

MCQ: If ƒ(x) = √(x² +1, then domain of f is

1. [-∞,-1]∪[1,∞]
2. [-∞, ∞]
3. [-∞,-2]∪[2,∞]
4. [-∞,-2]∪[3,∞]

B