Is 0.32416 rational or irrational?

  rational

Step-by-step explanation:

If you can write the entire number, it is rational.  

0.32416 is rational. As the ratio of integers, it can be written as 1013/3125.

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It will also be a rational number if it has a repeating decimal fraction.

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An irrational number has a decimal fraction that continues forever with no repeats. You can never write down the entire number without using some sort of symbol for it, such as π or √2.

just needed some points but try socratic

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !