PausedNudgeLearn is currently paused — we’re not sending daily questions right now. Interested or have a question? Email hello@nudgelearn.app.

Functions

A1.E.1Function notation & evaluation01/05

Function notation and evaluation.

Step01of 05

A function is a rule that takes an input and returns exactly one output. $f (x)$ reads "f of x" and means "the output of the function $f$ when the input is x".

f (x) = 2 x + 3

Read it as a recipe: take an input, double it, add 3. $f (x)$ is NOT multiplication of $f$ and x — the parentheses mean "evaluated at."

Free diagnostic

Test your understanding — 10 questions, ~10 min.

Pulled live from our bank for A1.E · scored instantly with worked solutions · free, no sign-up.

Start diagnostic →See pricing

A1.E.1 – A1.E.4 · CCSS F.IF.A.2 / F.IF.A.1 / F.IF.B.6 / F.IF.C.7b·Full curriculum →