Function Notation
Math ⇒ Functions
Function Notation starts at 9 and continues till grade 12.
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See sample questions for grade 11
Explain the meaning of the notation f(a) in your own words.
Which of the following is NOT a correct way to write the value of function f at x? (1) f(x) (2) y (3) f at x (4) value of f(x)
Which of the following is the correct interpretation of f(0)? (1) The value of the function f when x = 0 (2) The function f multiplied by 0 (3) The function f at any value (4) None of the above
Which of the following represents the value of the function f at x = a? (1) f(a) (2) f(x) (3) a(f) (4) x(f)
Which of the following statements is true about function notation? (1) f(x) is always a linear function (2) f(x) can represent any type of function (3) f(x) is only used for quadratic functions (4) f(x) is always positive
Fill in the blank: If f(x) = 2x + 5, then f(-2) = _______.
Fill in the blank: If f(x) = 4x, then f(5) = _______.
Fill in the blank: If f(x) = x/2, then f(10) = _______.
True or False: In function notation, the variable inside the parentheses is always x.
True or False: The function notation f(a) always means to substitute a for x in the function f(x).
True or False: The notation f(a) can be used even if the function is not defined at a.
True or False: The notation f(x) means f multiplied by x.
