The graph of a function f is given. Use the graph to answer the question.Is f(30) positive or negative?
A. positive
B. negative
Answer: B
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Provide an appropriate response.1 plus the net decimal equivalent rate is equal to the single discount equivalent rate.
A. True B. False
Find the date due and the maturity value.
A. Date due: April 20 Maturity value: $15,921.76 B. Date Due: April 20 Maturity value: $15,814.80 C. Date Due: April 21 Maturity value: $16,044.00 D. Date Due: April 21 Maturity value: $15,631.44
Find the value of c for which the expression is a perfect-square trinomial. Then factor the perfect-square trinomial.x2 - x + c
A. 1; (x - 2)2
B. 
; (x - 1)2
C. 
; 
2
D. 
; 
2
Solve the problem.Suppose that the labor cost for a building is approximated by 
where x is the number of days of skilled labor and y is the number of days of semiskilled labor required. Find the x and y that minimize cost C.
A. x = 15, y = 6 B. x = 6, y = 45 C. x = 18, y = 15 D. x = 36, y = 30