Decide whether the statement is possible or impossible for an angle ?.sin ? = 0.6 and csc ? = -0.6
A. Impossible
B. Possible
Answer: A
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = x4 - 6x2 + 8
A. -2, multiplicity 1; 2, multiplicity 1; -
, multiplicity 1; 
, multiplicity 1
B. 4, multiplicity 1; -
, multiplicity 1; 
, multiplicity 1
C. 4, multiplicity 1; 2, multiplicity 1
D. -2, multiplicity 1; 2, multiplicity 1; -
, multiplicity 1
Solve the problem.The number of reports of a certain virus has increased exponentially since 1960. The current number of cases can be approximated using the function 
where t is the number of years since 1960. Estimate the of cases in the year 2010.
A. 207 B. 266 C. 240 D. 190
Use the given values of the variable to make a vertical table of solutions for the equation.y = 2x, x = -4, 0, 4, 8
A. 
B. 
C. 
D. 