Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 4
B. 2
C. 2
D. 2
Answer: B
Mathematics
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Find the domain and the range for the function.
A. D: [0, ?), R: (-?, 0] B. D: (2, ?), R: [0, ?) C. D: (0, ?), R: (-?, 0) D. D: [2, ?), R: [0, ?)
Mathematics
Graph the linear equation. Give the x- and y-intercepts.x + 6 = 0
A. x-intercept: (6, 0); y-intercept: none
B. x-intercept: (-6, 0); y-intercept: none
C. x-intercept: (0, 0); y-intercept: (0, 0)
D. x-intercept: none; y-intercept: (0, -6)
Mathematics
Perform the division. Write the answer with positive exponents.
A. 6x3 + 7x2 + 2
B. 6x3 + 21x10 + 6x8 + 6x6 + 7x5
C. 18x11 + 7x2 + 2 + 
+ 
D. 6x3 + 7x2 + 2 + 
+ 
Mathematics
Draw a sketch to represent the vector. Refer to the vectors pictured here. 
a + (c + d)
A. 
B. 
Mathematics