Question: A scientist records the temperature of a chemical solution every 10 minutes. At 10 minutes, it’s 90°C. At 40 minutes, it’s 66°C. Which function represents the temperature, T(x) in terms of x?
A) T(x)=-0.6x+96
B) T(x)=-0.8x+98
C) T(x)=-0.6x+90
D) T(x)=-0.8x+90
Correct answer: B
Grade: 8 | Topic: Functions | Difficulty: Medium | Standard: 8. F. B. 4