Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Not exponential
B. Exponential; a = 
C. Exponential; a = 9
D. Exponential; a = 
Answer: B
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Find the discount date and net payment date. (The net payment date is 20 days after the final discount date.)Invoice date: Aug 8Terms: 2/15 ROGGoods received: Oct 10
A. Discount date: Oct 15; net payment date: Nov 15 B. Discount date: Oct 25; net payment date: Nov 14 C. Discount date: Oct 25; net payment date: Nov 15 D. Discount date: Sept 15; net payment date: Oct 15
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
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(x-1y5)-2
A. 
B. 
C. 
D. 
Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer lectures in a school of 300 students?
A. About 60 students B. About 18 students C. About 108 students D. About 54 students