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Mathematics

Grade10

Easy

Question

Find the minimum value of $f left parenthesis x right parenthesis equals cube root of x minus 4 end root text for end text minus 4 less or equal than x less or equal than 12$ .

-12
-8
-4
-2

hint Hint:

The minimum and maximum of a function are also called extreme points or extreme values of the function.

The correct answer is: -2

$f left parenthesis negative 4 right parenthesis equals cube root of negative 4 minus 4 end root equals cube root of negative 8 end root equals negative 2$
So, the minimum value of f(x) is -2.

FOr minimum value, we check on extreme points

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