Solve the problem.The number of bacteria growing in an incubation culture increases with time according to 
where x is time in days. Find the number of bacteria when x = 0 and x = 2.
A. 9500; 47,500
B. 1900; 19,000
C. 1900; 47,500
D. 1900; 5,937,500
Answer: C
Mathematics
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Solve the problem. Round your answer, if appropriate.A man 6 ft tall walks at a rate of 6 ft/sec away from a lamppost that is 24 ft high. At what rate is the length of his shadow changing when he is 75 ft away from the lamppost? (Do not round your answer)
A. 
ft/sec
B. 75 ft/sec
C. 
ft/sec
D. 2 ft/sec
Mathematics
Solve the equation.4x2 - 32x + 60 = 0
A. 4, 3, 5 B. 3, 5 C. -3, -5 D. 0, 3, 5
Mathematics
Determine if the parabola whose equation is given opens upward or downward.y = x2 - 3x - 9
A. downward B. upward
Mathematics
Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find 6 g(?).
A. - 
B. 3
C. 3
D. - 
Mathematics