Provide an appropriate response.Use the substitution 
to solve the equation 2(r - 5)2 - 11(r - 5) - 6 = 0.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Write an expression in simplest form that represents the area of the rectangle.
A. 10x2 - 8 B. 10x2 + 16x - 8 C. 10x2 - 16x - 8 D. 10x2 + 8
Mathematics
Graph the function over a one-period interval.y = 
cos 
A. 
B. 
C. 
D. 
Mathematics
Use the graph to identify domain and range.
A. domain: [- 4, ?) range: (-?, ?) B. domain: (- 4, ?) range: (-?, ?) C. domain: (-?, ?) range: (- 4, ?) D. domain: (-?, ?) range: [- 4, ?)
Mathematics
Provide an appropriate response.Tell whether or not the number is given in scientific notation.1.543 x 10-9
A. No B. Yes
Mathematics