For problem 5-9, solve the system of equations by substitution.
A. 
B. 
C. 
D. 
E. None of these
Answer: B
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Provide an appropriate response.A square has an area of 25 square inches.(i) What is the length of each side of the square?(ii) What is the perimeter of the square?
A. (i) The length of each side is 5 inches. (ii) The perimeter is 20 inches. B. (i) The length of each side is 10 inches. (ii) The perimeter is 25 inches. C. (i) The length of each side is 5 inches. (ii) The perimeter is 25 inches. D. (i) The length of each side is 20 inches. (ii) The perimeter is 100 inches.
Solve.
= 2
A. 4, 6 B. 8, -4 C. 8, 4 D. -4, 6
Describe how the graph of the given function can be obtained by transforming the graph of the reciprocal function f(x) = 1/x.f(x) = 
A. Shift the graph of the reciprocal function right 5 units, stretch vertically by a factor of 19, and then shift 4 units up. B. Shift the graph of the reciprocal function right 5 units, reflect across the x-axis, stretch vertically by a factor of 19, and then shift 4 units up. C. Shift the graph of the reciprocal function right 5 units, reflect across the x-axis, stretch vertically by a factor of 19, and then shift 4 units down. D. Shift the graph of the reciprocal function right 5 units, stretch vertically by a factor of 19, and then shift 4 units down.
Use technology to find a logistic regression curve 
approximating the given data. (Round b to three significant digits and A and N to two significant digits.)
x 0 20 40 60 80 100 ?y2.23.8 5.0 6.1 6.8 6.9?
A. 
B. ?
C. ?
D. ?
E. ?