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Functions
Functions map an input to an output. For example, the function f(x) = 2x takes an input, x, and multiplies it by two. An input of x = 2 gives you an output of 4. Learn all about functions.
If \( a \oplus b = \left( a+b \right) ^{ 2 } \) , what is the value of \( 3\oplus 1\)?
by
Đức Dũng Phạm
Consider a function \(f\) satisfying \(f(x) = | x^{3} - 7x |\). What is the value of \(f(3) \)?
by
Tushar Showrav
If \(f\) is a function such that \( f(f(x)) = x^2 - 1 \), what is the value of \( f(f(f(f(3)))) \)?
by
Júlian Rikki Réyes
Consider a function \(f\) satisfying
\[f\big(\sqrt{x}\big)=x^2.\]
What is the value of \(f(2) ? \)
by
Aman Sharma
by
Andy Wong