Quiz 1 - Functions, Limit and Continuity

• -1

• -2

• -3

• -4

In any function, the input variable is also called the dependent variable.

• True

• False

The function is continuous at x = b .

• True

• False

Is this a function?

• No

• Yes

Is this mapping a function or not a function?

• Not a Function

• Function

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• Domain: {1, -3, -4,} Range: {0, 1, 2, -4}

• Domain:{-4, 0, 1, 2}

  Range:{-4, -3, 1}

• Domain:{0, 1, 2, 3, 4} Range:{1, -3, -4}

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function

Is the relation a function or not?

f(x) = {(1, 1), (2, 2), (3, 3), (4, 4)}

• Yes

• No