Question 1

What is the domain of the function f(x) = sqroot(x + 3)?

Accepted Answer

x ≥ -3

Answer

all real numbers

Answer

x > -3

Answer

x ≤ -3

Question 2

What is the range of the function f(x) = 2x + 5?

Accepted Answer

All real numbers

Answer

x ≥ -5

Answer

x ≤ 5

Answer

x ≥ 5

Question 3

What is the domain of the function f(x) = 1 / (x - 2)?

Accepted Answer

All real numbers except 2

Answer

x < 2

Answer

x > 2

Answer

all real numbers

Question 4

What is the range of the function f(x) = -x²?

Accepted Answer

All real numbers less than or equal to 0

Answer

All positive numbers

Answer

All real numbers greater than or equal to 0

Answer

All real numbers

Question 5

What is the domain of the function f(x) = ln(x - 4)?

Accepted Answer

x > 4

Answer

x ≥ 4

Answer

all real numbers

Answer

x < 4

Question 6

What is the range of the function f(x) = |x - 3|?

Accepted Answer

All real numbers greater than or equal to 0

Answer

All real numbers

Answer

Negative real numbers

Answer

All real numbers less than or equal to 0

Question 7

What is the domain of the function f(x) = x^2 - 9?

Accepted Answer

All real numbers

Answer

x > -3

Answer

x ≠ -3

Answer

x ≠ 3

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