Match the equation with the surface it defines. +   +  = 1 

A. Figure 2
B. Figure 1
C. Figure 3
D. Figure 4


Answer: B

Mathematics

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Find the domain and range.{(4,5), (-5,-3), (10,-8), (10,2)}

A. domain = {5, -3, -8, 2}; range = {4, -5, 10} B. domain = {4, -5, 10, -10}; range = {5, -3, -8, 2} C. domain = {4, -5, 10, 20}; range = {5, -3, -8, 2} D. domain = {4, -5, 10}; range = {5, -3, -8, 2}

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Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?

A. 1 B. -4 C. -1 D. 4

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Divide. Use bar notation to write repeating decimals. 31.1/4

A. 7.775 B. 77.75 C. 0.07775 D. 0.7775

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Solve the equation.ln x + ln (x - 1) = ln 90

A. 10, -9
B. 10
C.
D. -9

Mathematics