Perform the indicated operation.
A. 2q2 + 
q + 
B. q2 + 
q + 
C. q2 + 
D. q2 + 
q + 
Answer: D
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Evaluate 
.g(x, y, z) = z; G: y2 + z2 = 49, z ? 0, 2 ? x ? 3
A. 98 B. 490 C. 14 D. 49
Find the center and radius of the circle and sketch its graph.(x + 5)2 + (y + 2)2 = 7
A. (h, k) = (-5, -2), r = 
B. (h, k) = (-5, -2), r = 7
C. (h, k) = (-2, -5), r = 7
D. (h, k) = (-2, -5), r = 
Interpret the linear equation.The amount of water in a leaky bucket is given by the linear function 
, where y is in ounces and x is in minutes. Find and interpret the slope and y-intercept of the linear equation.
A. m = 124; The amount of water in the bucket increases 124 ounces every minute. 
At x = 0, the amount of water in the bucket was 4 ounces.
B. m = 4; The amount of water in the bucket increases 4 ounces every minute. 
At x = 0 the amount of water in the bucket was 124 ounces.
C. m = 124; The amount of water in the bucket decreases 124 ounces every minute. 
At x = 0, the amount of water in the bucket was 4 ounces.
D. m = -4; The amount of water in the bucket decreases 4 ounces every minute. 
At x = 0, the amount of water in the bucket was 124 ounces.
Find an equation for the line with the given properties.Perpendicular to the line -3x - y = 8; containing the point (0, - 
)
A. y = - 
B. y = 
x + 8
C. y = 
x - 
D. y = - 
x - 