Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer. 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = 
x2 + 
x - 1 
A. 
B. 
C. 
D. 
Mathematics
Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. not a function B. function
Mathematics
Let A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.B ? (A ? C)
A. {q, s, u, w, y, z} B. {q, r, w, y, z} C. {q, s, y, z} D. {q, w, y}
Mathematics
Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 2
B. 2
C. 80
D. 116
Mathematics