Find an estimate for the product by rounding the factors to their greatest place value. 909 × 206
A. 18,000,000
B. 180,000
C. 1800
D. 18,000
Answer: B
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Find the absolute maximum and minimum values of the function on the given curve.Function: 
curve: 
, 
(Use the parametric equations 
A. Absolute maximum: 6
at 
absolute minimum: -6 at 
B. Absolute maximum: 6 at 
absolute minimum: -6
at 
C. Absolute maximum: 6
at 
absolute minimum: -6
at 
D. Absolute maximum: 6 at 
absolute minimum: -6 at 
Provide an appropriate response.Solve 4D = 11.
A. 0.58 B. 2.40 C. 1.73 D. 1.39
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Increasing on (-?, 0); decreasing on (0, ?) B. Increasing on (-?, ?) C. Decreasing on (-?, 0); increasing on (0, ?) D. Decreasing on (-?, ?)
Let ? be an acute angle. Find the unknown trigonometric value using the given information.sec ? if cos ? = 
A. 
B. 
C. 
D. 