Study Barn - If y = 25 - x2 and 1 ≤ x ≤ 5, what is the smallest possible value of y?

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If y = 25 - x² and 1 ≤ x ≤ 5, what is the smallest possible value of y?

A. 0

B. 1

C. 5

D. 10

E. 15

If y = 25 - x², the smallest possible value of y is obtained by subtracting the largest possible value of x² from 25. Since 1 ≤ x ≤ 5, the largest possible value of x² is 5 = 25. When x² = 25, then y = 25 - 25 = 0.

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Added: 11/24/2008

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Taggged: Math, SAT

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