Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
+ 
C. 
+ 
D. 
+ 
+ 
Answer: C
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Solve the problem. Round your answer, if appropriate.As the zoom lens in a camera moves in and out, the size of the rectangular image changes. Assume that the current image is 7 cm × 6 cm. Find the rate at which the area of the image is changing (dA/df) if the length of the image is changing at 0.6 cm/s and the width of the image is changing at 0.3 cm/s.
A. 12.0 cm2/sec B. 11.4 cm2/sec C. 6.0 cm2/sec D. 5.7 cm2/sec
Use exponential notation to write the repeated multiplication.3 ? 3 ? 3 ? 3 ? 3 ? 3
A. 18 B. 63 C. 35 D. 36
Perform the row operations on the matrix and write the resulting matrix.Replace R2 by 
R1 + 
R2 
A. 
B. 
C. 
D. 
Graph the given function. Identify the vertex and the intercepts.y = 8 -x2 + 2x
A. Vertex: (1, - 9)
x-intercepts: -2 and 4
y-intercept:-8
B. Vertex: (- 1, 9)
x-intercepts: -4 and 2
y-intercept: 8
C. Vertex: (1, 9)
x-intercepts: -4 and 2
y-intercept: 8
D. Vertex: (1, 9)
x-intercepts: -2 and 4
y-intercept: 8