Simplify the exponential expression.x-9 ? x7
A. - 
B. -x2
C. 
D. x2
Answer: C
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 
B. 
C. 0.20
D. 
Solve the problem.The table contains data that can be modeled by an exponential function of the form 
Use regression to determine an exponential function f that models this data. Round the coefficients to the nearest hundredth.
A. f(x) = (1.32)(5.97)x B. f(x) = (1.78)(1.63)x C. f(x) = (5.97)(1.32)x D. f(x) = (1.63)(1.78)x
Solve the problem by estimating.The highest point in State X is at an elevation of 7276 feet and the highest point in State Y is at an elevation of 2937 feet. By rounding to the nearest hundred, estimate the difference between these two points.
A. 4300 ft B. 4339 ft C. 4400 ft D. 4000 ft
For the function, find the average rate of change of f from 1 to x: 
f(x) = 
A. 
B. 
C. 
D. 