In the year 1997, the surface elevation of Lake Powell was 3863 feet above sea level. In the year 2005, the surface elevation of Lake Powell was 3245.4 feet above sea level. Interpret the rate of change in this situation. The surface elevation of Lake Powell is decreasing/increasing? at a rate of?

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13

the first option is the answer.

↓↓↓↓↓↓↓↓↓

step-by-step explanation:

this is a parabola.