Given 1 ≤ x ≤ 3 and 3 ≤ y ≤ 6, find the greatest possible value of x2 – y.
SOLUTION
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Given 1 ≤ x ≤ 3 and 3 ≤ y ≤ 6, find the greatest possible value of x2 – y.
SOLUTION
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Answer:
6
x² - y, if re ront to find to the greetest possible value.
1≤ x ≤3 3≤ y ≤6
let x = 3 y = 3
so 3² - = 6
{ concept of the greetest possible value}