Answered

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the sign is programmed to blink using absolute value inequalities of the form |x-a|≤b and |x-a|≥b Which of these formulas is used to program the sign for cars traveling either 5 mi/h above or below the 20 mi/h speed limit? What are the values of a and b? Explain.

Sagot :

Answer:

a = 20,   b = 5

Step-by-step explanation:

| x-a| ≥ b

| x - 20 | ≥ 5

a = 20  ... car speed

b = 5   ... either 5 m/h above or lower than the limit speed 20 m/h

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