Graph the function.y = log2 x

A.

B.

C.

D.


Answer: A

Mathematics

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Solve the system of nonlinear equations. x2 - 3y2 = 14x2 + 3y2 = 19

A. (-1, 2), (1, -2) B. (2, 1), (-2, -1) C. (2, 1), (2, -1), (-2, 1), (-2, -1) D. (1, 2), (-1, 2), (1, -2), (-1, -2)

Mathematics

Multiply. Simplify and leave the numerator and denominator in your answer in factored form. ? 

A.  
B.  
C.  
D.  

Mathematics

Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.

A. Yes; yes B. Yes; no C. No

Mathematics

Provide an appropriate response.A card is drawn at random from a well-shuffled deck of 52 cards. Let A be the event that the card is a heart.Let B be the event that the card is a king.Find P(A), P(B), and P(A ? B). Are events A and B independent? How can you tell?

What will be an ideal response?

Mathematics