Find the sum of the series.
A. 11
B. 7
C. 22
D. 12
Answer: A
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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 5 cm × 2 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 0.1 cm/s.
A. 1.7 cm2/sec B. 6.4 cm2/sec C. 3.2 cm2/sec D. 3.4 cm2/sec
Solve the problem.The area A of a triangle is 10x2 + 7x - 12. If the height of the triangle is 2x + 3, find the length of its base.
A. 2(5x + 4)
B. 2(5x - 4)
C. 5x - 4
D. 
Find the area of the figure using determinants.
A. 22.0 B. 21.0 C. 20.5 D. 21.5
Evaluate the definite integral of the algebraic function.
?
?
Use a graphing utility to verify your results. Round your answer to 4 decimal places.
?
A. 4.2422 B. 5.4526 C. -4.2422 D. 1.0439 E. 0.7140