Introduction to Functions Quiz

What is the output when the function 'subtract 7' is applied to the input -6?

• -13

• -1

• 7

• 13

If the input is -6 and the function is 'square the input', what is the output?

• -12

• 12

• 36

• -36

Which statement is true about speed and time?

• Speed is a function of time.

• Time is a function of speed.

• Speed is not a function of time.

• Time is a function of distance.

Why can't time be a function of distance in the given scenario?

• Because time can have multiple values for the same distance.

• Because distance is always constant.

• Because speed is not involved.

• Because time is always the same for all distances.

How many essay questions are on the test if there are 26 questions in total?

• 17

• 9

• 8

• 26

What is the total number of points for the test?

• 100

• 123

• 150

• 200

Which table represents a valid function rule?

• Table D with same inputs and different outputs.

• Table C with different inputs and same outputs.

• Table B with same inputs and different outputs.

• Table A with different inputs and some same outputs.

Why does Table D not represent a function rule?

• Because it has the same inputs with different outputs.

• Because it has different inputs.

• Because it has different outputs.

• Because it has the same outputs.

What is the function rule for Table C?

• Different inputs with different outputs.

• Same inputs with same outputs.

• Different inputs with same outputs.

• Same inputs with different outputs.

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