13 + 6 + 3 + 7 + 11 = 40
;
40 ÷ 5 = 8
;
13 - 8 = 5
6 - 8 = |-2| = 2
3 - 8 = |-5| = 5
7 - 8 = |-1| = 1
11 - 8 = 3
;
5, 2, 5, 1, 3
5 + 2 + 5 + 1 + 3 = 16
16 ÷ 5 = 3.2
;
Mean Absolute Deviation is 3.2.
Hope this helped☺☺
10+12+14 = 36
12/36 x 11/35 x 14/34 = 11/255
There's your answer.
Answer:
The bill excluding tax is $31.21 and the 20% tip was $6.24.
f(x) = 
note the range is {1, 5, 25, 125 } which can be expressed as
{
,
,
,
}
the exponents being the domain { 0, 1, 2, 3 }
thus f(x) =
an exponential function