Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 2x - 12y + 21 = 0 
A. (h, k) = (-1, 6); r = 4
B. (h, k) = (1, -6); r = 4
C. (h, k) = (1, 6); r = 4
D. (h, k) = (-1, -6); r = 4
Answer: C
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Use the linearization of the function to approximate the value of the function. Give your answer in the form indicated.
Give your answer as a decimal. Round to 5 decimal places if necessary.
A. 6.75000
B. 5.25000
C. 7.50000
D.
| 6.02083? |
Find function f such that 
, 
, and 
varid="variable_id_field" variablename="impvar_9670f4310c144e5f9a41bf244" />.
?
A. 
B. 
C. 
D. 
E. 
Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. The easiest way to simplify the expression 
is to multiply both the numerator and denominator by 4 + 
What will be an ideal response?
Solve.The weight of a body above the surface of the earth varies inversely as the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 2?
A. The weight is divided by 2. B. The weight is multiplied by 2. C. The weight is multiplied by 4. D. The weight is divided by 4.