Write the equation of the circle with the given center and radius.center (-10, 1), radius 
A. (x + 1)2 + (y - 10)2 = 169
B. (x - 1)2 + (y + 10)2 = 169
C. (x + 10)2 + (y - 1)2 = 13
D. (x - 10)2 + (y + 1)2 = 13
Answer: C
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Find an equation for the graph.
A. y = 4 sin 
B. y = 2 sin (4x)
C. y = 4 sin (2x)
D. y = 2 sin 
Find the measure of the complement of the angle.48.9°
A. 90° B. 42.9° C. 131.1° D. 41.1°
A division of Chapman Corporation manufactures a pager. The weekly fixed cost for the division is $20,000, and the variable cost for producing x pagers/week is 
dollars. ?
The company realizes a revenue of 
dollars from the sale of 
pagers/week.
?Find the level of production that will yield a maximum profit for the manufacturer. (Hint: Use the quadratic formula.)
?
A. 3,209 pagers/week
B. 3,333 pagers/week
C. 2,983 pagers/week
D. 3,283 pagers/week
Draw the graph of the equation.x = y2 - 2y + 3 
A. 
B. 
C. 
D. 