Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 34 ft wide and the canal is  deep at the center, how deep is it 9 ft from the edge?

A. 18.4 ft
B. 31.1 ft
C. 8.9 ft
D. 21.6 ft


Answer: B

Mathematics

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Write the expression as a sum, difference, or multiple of logarithms.log3

A. 5 log3x + 2 log3y - log3z -  log3w
B. 10 log3xy -  log3wz
C. 7 log3xy -  log3wz
D. log3x5 + log3y2 - log3z - log3w4/5

Mathematics

Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = , g(x) = 

A. g shifts the graph of f vertically down 1 unit

B. g shifts the graph of f vertically up 1 unit

C. g shifts the graph of f 1 unit to the left

D. g shifts the graph of f 1 unit to the right

Mathematics

Express as a sum of logarithms.log4 Z

A. log
B. log11Z + log12
C. log11 Z + log12Z
D. log + logZ

Mathematics

Solve the problem.A 6-pound puppy is gaining weight at a rate of  lb per week. How much more time will it take for the puppy's weight to exceed 22 lb?

A. more than 25 weeks
B. more than 43 weeks
C. more than 12 week(s)
D. more than 26 weeks

Mathematics