Eight milligrams of a dye are injected into a vein leading the an individual’s heart. The concentration of dye in the aorta (in milligrams per liter) measured at 2-sec intervals is shown in the accompanying table. Use Simpson’s Rule with n = 12 and the formula
to estimate the person’s cardiac output, where D is the quantity of dye injected in milligrams, C (t)
is the concentration of the dye in the aorta, and R is measured in liters per minute. Round to one
decimal place.
6.5 liters per minute
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Add.31,763 + 30,327
A. 57,091 B. 72,090 C. 52,090 D. 62,090
Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. v2 + 11v + 28 ? 0
A. [-4, ?)
B. (-?, -7]
C. (-?, -7] ? [-4, ?)
D. [-7, -4]
Solve the percent of change problem.Because of budget cutbacks, MaryAnn was required to take a 13% pay cut. If she earned $24,000 before the pay cut, find her salary after the pay cut.
A. $23,968.80 B. $20,880 C. $23,688 D. $2088
Graph the quadratic equation. Identify the vertex and the intercept points with their coordinates.y = 2x2 + 6x - 1
A. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
B. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
C. Vertex: 
;
x-intercepts: 
,
;
y-intercept: (0, -1)
D. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)