Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y is directly proportional to x. When x = 20, then y = 24.
A. k = 4; y = 4x
B. k = 4; y = x + 4
C. k = 
; y = 
x
D. k = 
; y = 
x
Answer: C
Mathematics
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Use the table to solve the equation or inequality.
? 1
A. {
x = -14 or x = -10}
B. {x
? -10}
C. {x
? 1}
D. {x
? -10}
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