Function

What is the function of the following sentence?
'Close the door!' 

• suggestion

• order

• request

What is the function of the following sentence?
'If I were you, I would close that door.'

• order

• disagreeing

• advice

What is the function of the following sentence?
'Sorry, I forgot to close the door.'

• apology

• advice

• agreeing

What is the function of the following sentence?
'Why don't you close that door?' 

• suggestion

• order

• apology

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

• {1, 3, 5}

• {0, 3, 6}

• {-1, 2, 5}

• {2, 3, 4}

• {1, 2, 3}

• {1, 4, 9}

• All real numbers

• {0, 1, 2, 3}

f(x) is the same thing as ______.

• y

• x

• input

• an equation

What is the function of the following sentence?
'Could you please close that door?'

• request

• order

• agreeing

What is the function of the following sentence? 'Please pass the salt.'

• request

• order

• suggestion

• apology