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Communicating Solutions with Units and Context
Worksheet
Grade Level
Algebra II
ALG2.16 Communicating Solutions with Units and Context
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A bridge arch is modeled by h(x) = sqrt(49 - x
2
), where x and h are measured in meters. Which limitation is essential?
A
x can be any real number.
B
x must satisfy -7 <= x <= 7 so the expression under the square root is not negative.
C
h must always be negative.
D
The model applies only when x is an integer.
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