CCSS.MATH.CONTENT.HSF.BF.A.1C(+) Compose functions.
For example, if T(y) is the temperature in the atmosphere as a function of height, and h(t) is the height of a weather balloon as a function of time, then T(h(t)) is the temperature at the location of the weather balloon as a function of time.
LTI launch URL
(help)
https://schoolyourself.org/page/lti/sy/precalculus/compositions
