Solve the problem.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). By using linear regression, the following function is obtained: 
where x is temperature and y is growth in millimeters. Use this function to predict the growth of a plant if the temperature is 67.
A. 27.78
B. 29.81
C. 27.33
D. 29.27
Answer: A
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.0
A. Nonreal complex B. Complex, pure imaginary, nonreal complex C. Complex D. Real, complex
Find the least common denominator for the expression.
- 
A. (13x - 18)(13x + 18) B. 10x(2x + 11)(13x - 18)(13x + 18) C. 10x(2x + 11) D. (13x - 18) or (13x + 18)
Solve the problem.The function, S(x) = 
, gives the predicted sales volume of a company, in millions of items, where x is the number of years from now. Determine the predicted sales 13 years from now. Round your answer to two decimals, if necessary.
A. 96.51 million B. 146.07 million C. 96.94 million D. 84.27 million