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 2000.
A. 1109 cases
B. 416 cases
C. 517 cases
D. 554 cases
Answer: D
Mathematics
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Describe the graph of the polar equation. r = 50 sin ?
A. Ellipse centered at the origin with intercepts (±1, 0) and (0, ±25) B. Horizontal line passing through (0, 50) C. Circle with radius 25 and center (0, 25) D. Parabola opening upward with vertex at (0, 25)
Mathematics
Multiply and then, if possible, simplify by factoring.
A. 3
B. 
x
C. 9
D. 3x
Mathematics
Provide an appropriate response. Solve the quadratic for x: x2 - qx + 8 = 0
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Solve and check.
= 
A. x = 
B. x = 64
C. x = 12
D. x = 1
Mathematics