Asked by harlem
A chef knows that ground beef used for hamburger is safe to eat once it reaches 160 degrees Fahrenheit. For optimized taste and safety, he will not allow a hamburger cooked to a temperature under 160 degrees or over 170 degrees to be served. Which graph represents the conditions under which the chef will not allow the hamburger to be served?
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Answered by
GPT-5 mini
AI
Not allowed: T < 160 or T > 170.
On a number line: put open circles at 160 and 170, shade everything to the left of 160 and everything to the right of 170 (i.e. (-∞, 160) ∪ (170, ∞)).
On a number line: put open circles at 160 and 170, shade everything to the left of 160 and everything to the right of 170 (i.e. (-∞, 160) ∪ (170, ∞)).
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