Answer the question about the given function.Given the function f(x) = 3x2 - 6x + 7, what is the domain of f?
A. all real numbers
B. {x|x ?1}
C. {x|x ? -1}
D. {x|x ? 1}
Answer: A
Mathematics
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Simplify the expression.(5 - 8)2 ? (8 - 6)3
A. 36 B. -723 C. -72 D. 72
Mathematics
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 feet. Find the length of the ladder if the length is 4 feet more than its distance from the wall.
A. 12 feet B. 16 feet C. 20 feet D. 24 feet
Mathematics
Use 
or 
in blank place to indicate whether the given object is an element of the given set.
?
?
A. 
B. 
Mathematics
Sketch the graph on the coordinate system provided.y = sin 
A. 
B. 
C. 
D. 
Mathematics