Simplify the algebraic expression by combining similar terms.x - 0.8x - 3.6x
A. -3.2x
B. -3x
C. -3.1x
D. -3.4x
E. -3.3x
Answer: D
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Solve the problem.A cylindrical drain pipe is 6 inches across the top and about 11 inches high. How many cubic inches of water could it hold?
A. 600 in.3 B. 300 in.3 C. 1000 in.3 D. 400 in.3
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 × 5 cm. Find the rate at which the area of the image is changing (dA/df) if the length of the image is changing at 0.7 cm/s and the width of the image is changing at 0.1 cm/s.
A. 8.4 cm2/sec B. 4.2 cm2/sec C. 5.4 cm2/sec D. 10.8 cm2/sec
Solve the inequality.
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Provide an appropriate response. Find the domain of f(x) = 
. Then simplify the right side of the function's equation.
A. domain of f: (-?, -8) ? (-8, 8) ? (8, ?); 
B. domain of f: (-?, -9) ? (-9, 4) ? (4, ?); 
C. domain of f: (-?, 0) ? (0, ?); 0
D. domain of f: (-?, -4) ? (-4, 9) ? (9, ?); 