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Give 10 example of relation that are function​

Sagot :

1. Linear function: "f(x) = 2x + 3"

- Each input x gives a unique output f(x).

2. Quadratic function: "f(x) = x^2"

- Every x corresponds to exactly one f(x).

3. Exponential function: "f(x) = 2^x"

- For each x, there's a unique f(x).

4. Square root function: "f(x) = sqrt(x)"

- Each non-negative x has one non-negative f(x).

5. Absolute value function: "f(x) = |x|"

- Whether x is positive or negative, f(x) is non-negative.

6. Step function: "f(x) = floor(x)"

- Every real number x has a unique integer f(x).

7. Logarithmic function: "f(x) = log(x)"

- For each positive x, there's a unique f(x).

8. Trigonometric function: "f(x) = sin(x)"

- Different x values result in different f(x).

9. Piecewise function: "f(x) = {

- 2x if x >= 0,

- (-x) if x < 0"

- Each x fits exactly one condition, giving a unique f(x).

10. Constant function: "f(x) = 5"

- f(x) is always 5, regardless of x.