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 = 5.
A. 4100 bacteria, 61,500 bacteria
B. 4100 bacteria, 996,300 bacteria
C. 4100 bacteria, 110,700 bacteria
D. 12,300 bacteria, 996,300 bacteria
Answer: B
Mathematics
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Simplify the expression by multiplying. -3(-5x2)
A. -15x2 B. 15x2 C. 8x2 D. -8x2
Mathematics
Use the laws of logarithms to simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."f(x) = x3 - 5
A. Not one-to-one
B. f -1(x) = 
C. f -1(x) = x + 5
D. f -1(x) = ±
Mathematics
Solve the system of equations using substitution.
A. x = 4, y = -3; x = 3, y = -4 or (4, -3), (3, -4) B. x = 4, y = 3; x = -3, y = -4 or (4, 3), (-3, -4) C. x = -4, y = 3; x = -3, y = 4 or (-4, 3), (-3, 4) D. x = -4, y = -3; x = -3, y = -4 or (-4, -3), (-3, -4)
Mathematics