Use the sequence feature of a graphing calculator to evaluate the sum of the first 10 terms of the arithmetic sequence. Round to the nearest thousandth, if necessary.an = 3.9n + 8.96
A. 212.08
B. 47.96
C. 304.1
D. 256.14
Answer: C
Mathematics
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Find the inverse of the function.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. Not invertible
Mathematics
The following table shows the number C, in millions, of cars sold in the U.S. t years after 2005. Based on the regression equation, how would you expect sales to be affected over a 5-year period? t 0 1 3 5 C 5.56 5.46 5.27 4.56? ?
A. Sales would decrease by 0.19 million cars. B. Sales would increase by 0.95 million cars. C. Sales would increase by 0.19 million cars. D. Sales would decrease by 0.95 million cars.
Mathematics
Find the amplitude, period or displacement.Find the displacement of y = 2 sin 
.
A. 
B. - 
C. 
D. - 
Mathematics
Write the statement as an inequality.y is negative
A. y ? 0 B. y > 0 C. y < 0 D. y ? 0
Mathematics