Suppose that the rate at which blood pressure decreases in the aorta of a normal adult after a heartbeat is 
,where t is the time in seconds. Use the function that describes the blood pressure in the aorta if 
variablename="impvar_77cb927d9c78457dad9b072db" /> when 
to find the blood pressure 0.9 second after a heartbeat. Round your answer to two decimal places.
?
A. ?44.24
B. 169.06
C. 36.68
D. 37.98
E. 42.74
Answer: E
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Solve the problem.Assume that G is a graph with no loops or multiple edges. It is known that G has 5 vertices, 4 edges, and that the degree of each vertex is either 1 or 2. What can be said about G?
A. G is not a tree. B. G has 4 bridges. C. G is a tree. D. G could be a tree. E. none of these
Subtract.(5m2 + 2m + 2) - (-9m2 - 7)
A. -4m2 + 9m + 2 B. 14m2 + 9m + 2 C. -4m2 + 2m - 5 D. 14m2 + 2m + 9
Solve the problem using a system of equations.Paul invested three times as much money in an account paying 4% interest than he did in an account paying 2% interest. If the total interest paid was $630, how much did he invest in each?
A. $13,500 at 4%, $5000 at 2% B. $4500 at 4%, $13,500 at 2% C. $13,500 at 4%, $4500 at 2% D. $135 at 4%, $45 at 2%
Analyze the graph of the given function f as follows:(a) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|.(b) Find the x- and y-intercepts of the graph.(c) Determine whether the graph crosses or touches the x-axis at each x-intercept.(d) Graph f using a graphing utility.(e) Use the graph to determine the local maxima and local minima, if any exist. Round turning points to two decimal places.(f) Use the information obtained in (a) - (e) to draw a complete graph of f by hand. Label all intercepts and turning points.(g) Find the domain of f. Use the graph to find the range of f.(h) Use the graph to determine where f is increasing and where f is decreasing.f(x) = x2(x + 2)
What will be an ideal response?