Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 5 vertices, three of degree 2 and two of degree 1.
A. 3 edges
B. 8 edges
C. 7 edges
D. 4 edges
Answer: D
Mathematics
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Find the function represented by the line.
A. f(x) = 3x - 5
B. f(x) = 
x - 5
C. f(x) = 3x + 5
D. f(x) = 
x + 5
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e2x = 4
A. {0.69} B. {5.44} C. {0.17} D. {2.77}
Mathematics
Find the exact value of the following expression without using a calculator.sin 
A. 
B. 
C. 
D. 
Mathematics
Solve.Maha checked the outside temperature at noon one day and found it was 26° C. At 10 PM when he checked, the outside temperature was 20° C. How much, in degrees Fahrenheit, did the temperature drop between noon and 10 PM? Round your answer to the nearest tenth.
A. -21.2° B. -10.8° C. 3.33° D. 10.8°
Mathematics