Fe ench of the fellowing funeticns, determine (i) whether or not it is injecetive and (i) wbether or not it is surjective. (a) f: 2/5- Z/5 defiaed by f(a) - ar. (b) /: Z/6 -- Z/6 defised by f(e) - dr. (e) Let S be the set of all wqunces ( with a. e (0, 1..), and kt /:8- 0.1] be defined by

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A: A sentence is a mathematical statement if it is either True or false.

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A: Here, the given problem is on relation on set. We will solved the problem  step by step.

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Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: