Find the centroid of the region bounded by the given curves.

a. 29/75, 93/105
b. 28/75, 92/105
c. 92/105, 9/75
d. 93/75, 29/105
e. None of these


b. 28/75, 92/105

Mathematics

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For the given graph, write the inequality in set-builder notation and interval notation. 

A. {xx ? 3}, (-?, 3]
B. {xx < 3}, (-?, 3)
C. {xx > 3}, (3, ?) 
D. {xx ? 3}, [3, ?)

Mathematics

What is the population 7 years later?

The population of an urban city grows at a rate given by: N?(t ) = 500 + 550 ?t , 0 ? t ? 9 where (t ) is the population of the city at time t, given in years. The population at the time of incorporation was 7500.

Mathematics

Find the exact acute angle ? for the given function value.sec ? = 

A. 60° B. 45° C. 30°

Mathematics

Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 

A. f(x): D = , R is all real numbers;
f-1(x): D is all real numbers, R = 
B. f(x): D = , R = ;
f-1(x): D = , R = 
C. f(x): D = , R = ;
f-1(x): D is all real numbers, R = 
D. f(x): D = , R = ;
f-1(x): D = , R = 

Mathematics