How do you find the minimum value of a function

Asked by admin @ in Mathematics viewed by 275 People

1) Find the minimum and maximum values for the function with the given domain interval.

minimum value = 7; maximum value = 8
minimum value = 0; maximum value = 7
minimum value = 0; maximum value = none
minimum value = none; maximum value = 8
minimum value = 0; maximum value = 8

Answered by admin @


Answer:

"minimum value = 0; maximum value = 8"

Step-by-step explanation:

This is the absolute value function, which returns a positive value for any numbers (positive or negative).

For example,

| -9 | = 9

| 9 | = 9

| 0 | = 0

Now, the domain is from -8 to 7 and we want to find max and min value that we can get from this function.

If we look closely, putting 7 into x won't give us max value as putting -8 would do, because:

|7| = 7

|-8| = 8

So, putting -8 would give us max value of 8 for the function.

Now, we can't get any min values that are negative, because the function doesn't return any negative values. So the lowest value would definitely be 0!

|0| = 0

and

ex:  |-2| = 2 (bigger),  |-5| = 5 (even bigger).

So,

Min Value = 0

Max Value = 8


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