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Compare Functions Across Representations
Grade Level
Praxis Core
5165.088 Compare Functions Across Representations
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Function f is f(x) = 4x. Function g is represented by the points (1, -4), (2, -2), (3, 0). At x = 2, which function has the greater value?
A
The values cannot be compared at the same input.
B
The function with the steeper graph must always be greater.
C
f, because f(2) = 8 and g(2) = -2.
D
g, because tables take priority over formulas.
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