Subjects / Mathematics
Mathematics
Number, algebra, geometry, measurement and statistics, from Standard 1 to BGCSE.
12 questions in Functions
Most triedMost missedNewest- If f(x) = 3x − 1, find f(4).Multiple choiceForm 4 · FunctionsNot tried yet
- If f(x) = 2x + 5, what is the inverse function f⁻¹(x)?Multiple choiceForm 4 · FunctionsNot tried yet
- f(x) = x² and g(x) = x + 1. Find fg(2).Multiple choiceBGCSE · FunctionsNot tried yet
- What number is represented by the letter X in the mapping below?Multiple choicePSLE · FunctionsNot tried yet
- What number is represented by the letter X in the mapping below?Multiple choicePSLE · FunctionsNot tried yet
- f(x) = 3x − 4. Find f(5).Multiple choiceForm 4 · FunctionsNot tried yet
- f(x) = 2x + 1. Find the inverse function f⁻¹(x).Multiple choiceForm 4 · FunctionsNot tried yet
- f(x) = x² and g(x) = x + 3. Find fg(2).Multiple choiceForm 4 · FunctionsNot tried yet
- f(x) = x² and g(x) = x + 3. Find gf(2).Multiple choiceForm 4 · FunctionsNot tried yet
- For f(x) = 1/(x − 2), which value of x must be left out of the domain?Multiple choiceForm 4 · FunctionsNot tried yet
- f(x) = 5 − 2x. For what value of x is f(x) = 1?Multiple choiceForm 4 · FunctionsNot tried yet
- f(x) = 2x² − 3. Find f(−2).Multiple choiceForm 4 · FunctionsNot tried yet