Graph the circle. State the center and radius of the circle.x2 + y2 - 4x - 2y - 4 = 0

A. center (-2, -1); r = 3

B. center (2, 1); r = 3

C. center (-2, -1); r = 3

D. center (-2, -1); r = 3


Answer: B

Mathematics

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Write the expression as the sum or difference of multiples of logarithms.logb 

A.  logb x + 4 logb y -  logb z
B.  logb x9 + logb y8 - logb z5
C.  logb x - 4 logb x +  logb z
D.  logb x + 8 logb y - 5 logb z

Mathematics

Use the graph to answer the question.Find the domain and range of the rational function graphed below.

A. Domain: (-?, 2) ? (2, ?); Range: (0, ?) B. Domain: (-?, 2) ? (2, ?); Range: (1, ?) C. Domain: (2, ?); Range: (0, ?) D. Domain: (-?, 2) ? (2, ?); Range: (-?, ?)

Mathematics

List the critical values of the related function. Then solve the inequality. > 0

A. 0; (0, ?)
B. - 
C.
D. - 

Mathematics

Solve the problem.The surface area of a human body (in square meters) is approximated by  where W is the weight of the person in kilograms and H is the height in meters. Find A if  and  Round your answer to two decimal places.

A. 1.88 m2 B. 1.79 m2 C. 1.68 m2 D. 1.75 m2

Mathematics