Multiply and simplify.9 ? 
A. 1
B. 
C. 
D. 81
Answer: A
Mathematics
You might also like to view...
Use a calculator to decide whether the statement is true or false.cos (2 ? 90°) = cos2 90° - sin2 90°
A. True B. False
Mathematics
Solve the equation by factoring.x2 + 17x + 72 = 0
A. {- 8, - 9} B. {8, - 9} C. {8, 9} D. {72, 0}
Mathematics
Graph the exponential function.y = 4x 
A. 
B. 
C. 
D. 
Mathematics
Give a rule for the piecewise-defined function. Then give the domain and range.
A. f(x) = 
; Domain: {-6, -1}, Range: (-?, ?)
B. f(x) = 
; Domain: (-?, ?), Range: {-6, -1}
C. f(x) = 
; Domain: {-6, -1}, Range: (-?, ?)
D. f(x) = 
; Domain: (-?, ?), Range: {-6, -1}
Mathematics