Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
-6R2 + R1 ? R1
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Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 30 when x = 10;
Find y given x = 14.
A. k = - 3; y = - 42
B. k = 5; y = 70
C. k = 3; y = 42
D. k = 300; y = 
Find the exact value of y, or state that y is undefined.y = cos-1 
A. 
B. - 
C. 
D. 
Provide an appropriate response.A company performed a marketing study and concluded that there is a potential of 100,000 customers for its product. At the beginning of the study there were 40,000 customers that used the product, and one year later there were 50,000 customers. Determine the number N of customers t years after the beginning of the study if N follows logistic growth.
What will be an ideal response?
Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.7.4(x - 5) = 
x + 4.4
A. 5.86 B. -4.22 C. -4.61 D. 5.35