Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies inversely with x. When x = 7, then y = 4.
A. k = 28; y = 
B. k = 28; y = 
C. k = 
; y = 
x
D. k = 
; y = 
Answer: B
Mathematics
You might also like to view...
The double bar graph shows the mean tuitions (in dollars) charged by public and private institutions of higher education in the United States from 1999 to 2004. The public graphs are on the left. The private graphs are on the right.
Approximate the difference in tuition charges for public and private schools for 2002.
A. $13,000 B. $6,500 C. $15,900 D. $2900 E. $9,100
Mathematics
Establish the identity.sin2(-?) + cos2(-?) = 1
What will be an ideal response?
Mathematics
Find the first five terms of the sequence.
?
?
A. 
, 
2, 
,
4, 
B. 
, 
, 
, 
4, 
C. 
, 
, 
, 
4, 
D. 
, 
2, 
, 
4, 
E. 
, 
2, 
, 
4, 
Mathematics
Simplify the rational expression.
A. 
B. a + 7
C. a - 7
D. 
Mathematics