Add using a vertical format.(-2a - 9) + (11a + 14)
A. -22a2 - 126
B. 9a2 + 5
C. 9a - 5
D. 9a + 5
Answer: D
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A can has a volume of 25 cubic inches. We can calculate both the height h, in inches, and the surface area S, in square inches, from the radius r, in inches, of the can:
?
A: Find the radius of the can of minimum surface area.B: What is the height of the can of minimum surface area?C: What is the minimum surface area?
?
(Round your answers to two decimal places.)
What will be an ideal response?
Establish the identity.tan u(csc u - sin u) = cos u
What will be an ideal response?
Solve the problem.Suppose that the population of a certain city during a certain time period can be approximated by 
where x is time in years since 2010. By sketching a graph of P(x), estimate during what time period the population of the city would be increasing.
A. Between 2010 and 2024 B. Between 2015 and 2045 C. Between 2010 and 2038 D. Between 2015 and 2038
Combine like terms.6x + 5x
A. 11x B. 22x C. 30x D. 11x2