The graph of an absolute value function contains the points (1, 2), (0, 0), and (–1, 2). Shawn thinks the function this graph re presents is f(x) = 2|–x|. Brielle thinks the function this graph represents is f(x) = 2|x|. Determine who is correct and explain why.
2 answers:
<span>In mathematics, the </span>absolute value<span> <span>or modulus. | x. | of a real number x is the
non-negative </span></span>value<span> of x
without regard to its sign. So both shawn and brielle are correct since
both function will have the same answer, because it will just cancel out the
sign.</span>
Answer:
The absolute value parent function is symmetric with respect to the y-axis.
The graphs of f(x) = 2|–x| and f(x) = 2|x| are identical because the absolute value of negative x is a reflection across the y-axis.
If you substitute the three given points into both functions, they produce true statements.
Step-by-step explanation:
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