Determine whether the function is a solution of the wave equation.w(x, t) = ex - ct

A. No
B. Yes

Answer: B

Mathematics

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Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = ,B = 

A. B = A-1 B. B ? A-1

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Multiply.940 × 100

A. 9400  B. 94,000 C. 18,800 D. 940

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Mathematics

Solve the problem.Mara can type 1160 words in  hour (40 minutes). How many words per minute can she type?

A. 29 words/minute B. 773 words/minute C. 19 words/minute D. 44 words/minute

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Mathematics

For the given functions f(x) and g(x), find the product or quotient as indicated.If f(x) = x - 25 and g(x) =  + 5, find 

A. x + 5
B.  + 5
C. x - 5
D.  - 5

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Mathematics