Evaluate. Assume u > 0 when ln u appears. 
A. 
ln 
+ C
B. 20 ln 
+ C
C. 20 ln(4x5 + 8) + C
D. 
ln 
+ C
Answer: A
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Find numbers a and b, or k, so that f is continuous at every point.
A. k = 
B. k = 81
C. k = 9
D. Impossible
Find the intercepts of the circle. Round to the nearest hundredth, when necessary.(x - 4)2 + (y - 5)2 = 9
A. There are no intercepts. B. The two x-intercepts are x = 7 and x = -7, and the two y-intercepts are y = 3 and y = -3. C. The two x-intercepts are x = 4 and x = -4, and the two y-intercepts are y = 3 and y = -3. D. The x-intercept is x = 4, and the y-intercept is y = -9.
Solve the equation.
x + 
= 
x + 
A. 45
B. - 
C. - 
D. - 
Determine the number that should be added to complete the square of the expression. Then factor the expression.y2 - 16y
A. -8; (y - 8)2 B. 64; (y + 8)2 C. 8; (y - 8)2 D. 64; (y - 8)2