Solve the problem.After an injection, the amount of a medication A in the bloodstream decreases with time t, in hours. Suppose that under certain conditions A is given byA(t) = 
, where A0 is the initial amount of the medication given. Assume that an initial amount of 54.0 cc is injected.Find 
A(t).
A. A0
B. 0
C. 2A0
D. A(t) increases without bound
Answer: B
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Provide an appropriate response.The Internal Revenue Service allows you to round values to the nearest dollar on your income tax return. If you entered a deduction of $247.53 rounded to the nearest dollar, what would you enter?
A. $248 B. $250 C. $247.50 D. $247
Graph the linear function.f(x) = - 
x
A. 
B. 
C. 
D. 
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient.f(x) = 3 + 5x2
A. Linear B. Quadratic; 5 C. Quadratic; 3 D. Neither
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.
x - 
y = 3
x + 
y = 2
A. 
B. 
C. Inconsistent, ?
D. 