Make a scatterplot of the data. Then find an exponential, logarithmic, or logistic function f that best models the data. Round function values to the nearest hundredth.
A. Logistic: f(x) = 
B. Logistic: f(x) = 
C. Logarithmic: f(x) = 0.19 + 3.72 ln x
D. Logarithmic: f(x) = 1.26 + 4.43 ln x
Answer: A
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
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Write the augmented matrix for the system. Do not solve the system. 6x + 2z = 10 4y + 7z = 26 9x + 3y + 7z = 32
A. 
B. 
C. 
D. 
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Factor completely.10z2 + 9z - 9
A. (2z + 3)(5z - 3) B. (10z + 3)(z - 3) C. (2z - 3)(5z + 3) D. (10z + 1)(z - 9)
Mathematics
Evaluate the integral.
A. -2 ln 2 B. 2 ln 2 C. 4 ln 2 D. 2 ln 3
Mathematics