4
Answer: CSet 3: Linear Functions (Advanced)
Explanation
PROBLEM
A temperature model is T(h) = 68 - 2h for h hours after noon. When is T = 60?
A temperature model is T(h) = 68 - 2h for h hours after noon. When is T = 60?
A.
6
B.
8
C.✓ Correct
4
D.
2
Detailed Explanation
Choice C is the best answer. 68 - 2h = 60. h = 4
Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
B: 8 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.