Solve the problem.The number of students infected with the flu on a college campus after t days is modeled by the function 
When will the number of infected students be 220?
A. About 8 days
B. About 16 days
C. About 14 days
D. About 12 days
Answer: D
Mathematics
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Write the equation as f(x) = a(x - h)2 + k. Identify the vertex.f(x) = x2 + 3x + 1
A. f(x) = (x + 3)3 - 9; (-3, -9)
B. f(x) = 
2 - 
; 
C. f(x) = 
2 - 
; 
D. f(x) = (x + 3)3 - 9; (3, -9)
Mathematics
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 3; zeros: 4, 1 - i
A. 1 + i B. -1 + i C. -4 D. no other zeros
Mathematics
Use the formula C = 
(F - 32) for converting degrees Fahrenheit into degrees Celsius to find the Celsius measure of the Fahrenheit temperature.F = 212°
A. 110° C B. 95° C C. 105° C D. 100° C
Mathematics
Multiply mentally.(-a2 - 12)2
A. a4 + 144 B. a4 + 24a2 + 144 C. -a4 + 24a2 + 144 D. a4 - 24a2 + 144
Mathematics