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M3-028-A03-V03
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F-IF.9
Warmup
M3-028-A03-V03
Compare functions represented algebraically, graphically, numerically, or verbally.
Compare zeros and intercepts in parallel rows
Problem
Table \(f\) includes \((0,~4)\) and \((2,~0)\), while graph \(g\) has \(y\text{-}\text{intercept}\) \((0,~4)\) and \(x\text{-}\text{intercept}\) \((2,~0)\). Compare their zeros and intercepts, then state whether matching intercepts establish global equality.
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A
Both have zero 4, x-intercept (4, 0), and y-intercept (0, 4). Matching intercepts alone do not establish that the functions are identical everywhere.
B
Both have zero 2, x-intercept (2, 0), and y-intercept (0, 4). Matching intercepts alone establish that the functions are identical everywhere.
C
Both have zero 2, x-intercept (2, 0), and y-intercept (0, −4). Matching intercepts alone do not establish that the functions are identical everywhere.
D
Both have zero 2, x-intercept (2, 0), and y-intercept (0, 4). Matching intercepts alone do not establish that the functions are identical everywhere.
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Curriculum context
Standard F-IF.9
Category Functions
Domain Interpreting Functions
Objective Compare functions represented algebraically, graphically, numerically, or verbally.
Problem type Compare zeros and intercepts in parallel rows