Answer:
Step-by-step explanation:
-Given that
-We determine the z-value corresponding to the 95% confidence level:
-The margin of error is the degree of error from the real value and is calculated as follows:
Hence, the margin of error is
X=18Plug in the numbers to get 72 + 108=180
Use desmos to find your answer hope that helps
Answer:
h(x) = 7 * (9/7) ^x
Step-by-step explanation:
h(x) = a b^x
When x=0 h(x) = 7
7 = a * b^0
7 = a *1
7 =a
Rewriting the equation
h(x) = 7 b^x
Let x=1
9 = 7 * b^1
9 = 7 * b
Divide each side by 7
9/7 =7b/7
9/7 =b
h(x) = 7 * (9/7) ^x
Answer:
y<-8
Step-by-step explanation:
y<-1 - 7
y<-8