This quiz tests the work covered in Lecture 1 and corresponds to Section 1.1 of the
textbook Calculus: Single and Multivariable (Hughes-Hallett, Gleason, McCallum et
al.).

There are further web quizzes at Wiley. Choose section 1 from this page.

Be aware that it doesn’t seem to accept the written answers so you will have to check whether your answers are correct when they print the correct answer.

Go to economics quizzes for quiz questions on equations of lines and extra web resources.

The Mathematics Learning Centre has a booklet on Functions and Their Graphs and tutors who can help you with the concepts.

If you are looking for further resources, try Purple Maths and select the functions topics in Intermediate Algebra Topics.

You can test whether you understand whether something is a function, or not, at http://www.univie.ac.at/future.media/moe/tests/fun1/grongr.html

*Choice (a) is correct!*

*Choice (b) is incorrect*

*Choice (c) is incorrect*

*Choice (d) is incorrect*

The average daily level of carbon monoxide in the air is denoted by $c\phantom{\rule{0.3em}{0ex}},$ where $c$ is a function of the population, $p\phantom{\rule{0.3em}{0ex}},$ $c$ is measured in parts per million and $p$ is measured in thousands and $c$ is equal to 0.5 times the population plus one. Exactly one option must be correct)

*Choice (a) is incorrect*

*Choice (b) is incorrect*

*Choice (c) is incorrect*

*Choice (d) is correct!*

*Choice (a) is incorrect*

*Choice (b) is correct!*

Since $2{x}^{2}\ge 0$ then we have $2{x}^{2}-1\ge -1$ so the range is $\left[-1,\infty \right)\phantom{\rule{0.3em}{0ex}}.$

*Choice (c) is incorrect*

*Choice (d) is incorrect*

Which of the following could be a formula which represents this function? Exactly one option must be correct)

*Choice (a) is incorrect*

*Choice (b) is correct!*

*Choice (c) is incorrect*

*Choice (d) is incorrect*