The relationship between the weight of a package, in ounces, and the cost to mail the package can be represented by a linear function. It costs $5.90 to mail a 16-ounce package.
It costs $6.80 to mail a 22-ounce package.
Which statement is the best interpretation of the slope of the graph of this function?

A
The minimum cost to mail a package is $3.50.

B
Each additional ounce of weight costs $0.31.

C
The minimum cost to mail a package is $0.15.

D
Each additional ounce of weight costs $0.15.

d) -1

step-by-step explanation:

b and c

step-by-step explanation:

the answer would be d.

step-by-step explanation:

move all variables to the left side and all constants to the right side

(x−3)^2+(y−1)^2=16

this is the form of a circle. use this form to determine the center and radius of the circle.

( x − h ) 2 + ( y − k ) 2 = r 2

match the values in this circle to those of the standard form. the variable   r   represents the radius of the circle,   h   represents the x-offset from the origin, and   k   represents the y-offset from origin.

r = 4

h = 3

k = 1

the center of the circle is found at   ( h , k ) .

center:   ( 3 , 1 )

these values represent the important values for graphing and analyzing a circle.

center:   ( 3 , 1 ).

radius:   4