Answer the following:

a. Prove that having n vertices, where n is a positive integer, is an invariant for graph
isomorphism.
b. Prove that having a vertex of degree 3 is an invariant for graph isomorphism.




Mathematics

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Write the equation in its equivalent logarithmic form.73 = x

A. logx7 = 3 B. log73 = x C. log3x = 7 D. log7x = 3

Mathematics

Evaluate the formula for the given values of the variables.P = 2L + 2W; L = 9 in., W = 8 in.

A. P = 17 in. B. P = 34 in. C. P = 144 in. D. P = 288 in.

Mathematics

Simplify.(-5)-1

A. -  
B. -5
C. 5 
D.  

Mathematics

Solve the equation.3x - 6 = 12

A. {10} B. {19} C. {15} D. {6}

Mathematics