Let r be Ron's age.
let m be Mike's age.
m=r+4
m+r=84
m=84-r
r+4=84-r
2r=80
r=40
m=44
Ron is 40 and Mike is 44
Let
. You have derivatives
and
. Then
From the last equation, you have
. Plug this into the second equation to get
. Plug these into the first to get
.
So the polynomial is
Answer:
y = (5/4)2^x
Step-by-step explanation:
The function value increases by a factor of 40/10 = 4 when x increases by 2. The function can be written as ...
y = (reference value)·(growth factor)^((x -reference)/(change in x for growth factor))
y = 10·4^((x-3)/2) . . . . . . using point (3, 10) as a reference
This can be simplified to ...
y = 10·2^(x -3) = 10/8·2^x
y = (5/4)2^x
Answer: A negative correlation
Step-by-step explanation:
If the points in the scatter plot scattered going down to the right, it shows that there are inverse relationship between the quantities.
With the increase of one quantity or variable there is decrease in the other quantity or variable.
Therefore, if in the scatter plot with points loosely scattered going down to the right
, then the relationship of the data be classified as a negative correlation.
Answer:
Step-by-step explanation: the answer is 5