Answer:
y = 9 cos [(⅕pi)x]
Step-by-step explanation:
Amplitude = 9
Period = 10
2pi/10 = pi/5
Answer:
Slope = 3
Step-by-step explanation:
2 - 8 = -6
2 - 4 = -2
Slope = 3
Nah they make night lamps for lizards that is basically a black light but still puts off heat