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Questions and Answers
Which of the following functions represents the helicopter's altitude above the ground, y, in feet, t seconds after the helicopter begins to gain altitude?
Which of the following functions represents the helicopter's altitude above the ground, y, in feet, t seconds after the helicopter begins to gain altitude?
- C) y = 40 - 21t
- B) y = 40 + 21t (correct)
- D) y = 40t + 21
- A) y = 40 + 21
Which of the following graphs represents the cost, y, of sending x texts in a month for a text messaging plan?
Which of the following graphs represents the cost, y, of sending x texts in a month for a text messaging plan?
- D) y 5 x O 100
- A) O y x 5 100 (correct)
- C) O y x 5 100
- B) O y x 5 100
What is the initial altitude of the helicopter?
What is the initial altitude of the helicopter?
- B) 21 feet
- C) 61 feet
- A) 40 feet (correct)
- D) 0 feet
What is the rate at which the helicopter is gaining altitude?
What is the rate at which the helicopter is gaining altitude?
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What is the cost of sending 150 texts in a month for the text messaging plan?
What is the cost of sending 150 texts in a month for the text messaging plan?
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