Solve the system by the elimination method.x + y = 7x + y = 2
A. {(0, 0)}
B. {(0, 9)}
C. ?
D. {(7, 2)}
Answer: C
Mathematics
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Solve the problem.Two rectangles are similar. The length of one rectangle is three times that of the other. How many times larger is the area of the larger rectangle?
A. 9 B. 6 C. 3 D. 12 E. none of these
Mathematics
Write an equation for the graph.
A. x = y + 4 B. y = x + 4 C. x = 4 D. y = 4
Mathematics
Graph the one-to-one function as a solid curve and its inverse as a dashed curve on the same axes.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Determine the function which corresponds to the given graph.
The indicated point is (0, e1).
A. y = ex - 1 B. y = ex + 1 C. y = ex - 1 D. y = ex + 1
Mathematics