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keyword

is a function

Monthly search volume and cost-per-click data for "is a function" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=is+a+function&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $4.07 | | competition | 0.01 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
functions 90,500 $5.72 11/20
what is a function 27,100 $0 12/20
what's a function in math 12,100 $0.79 11/20
math function 3,600 $0 13/20
what does function mean 1,600 $0 11/20
is it a function 1,000 $0 15/20
how to determine if an equation is a function 1,000 $1.84 12/20
how to determine if y is a function of x 1,000 $4.55 12/20
how to tell if y is a function of x 1,000 $4.55 12/20
function x math 1,000 $1.58 11/20

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=is+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