Answer:
Death Valley California
C(t) = -0.30 (0)² + 40
C(t) = 40
C(t) = -0.30 (12)² + 40t – 12)2 + 40
65f
X= 9/2
X= 4.5
X= 4 1/2
5, 3
Step-by-step explanation: