keyword

lesson 1 the concept of a function

Monthly search volume and cost-per-click data for "lesson 1 the concept of a function" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=lesson+1+the+concept+of+a+function&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
what is a function	27,100	$0	8/20
definition of a function	22,200	$2.62	8/20
definition of a function in math	22,200	$0	8/20
definition of function in math	22,200	$2.62	8/20
function mathematics definition	22,200	$2.62	8/20
what is a function in mathematics	14,800	$0	8/20
function definition math	4,400	$0	8/20
function in math definition	4,400	$0	8/20
function meaning math	4,400	$0	8/20
meaning of function in math	4,400	$0	8/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=lesson+1+the+concept+of+a+function&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt