Physics
An iron railroad track 1000 feet long is at a temperature of 0 oC. How much does it expand when heated to 33 oC?
math
thank you so much....what would be the domains of these though?
math
for the given functions f and g, find the specified value of the following functions and state the domain of each one. f(x)=2+3/x; g(x)=3/x a.(f-g)(2)= b.(f/g)(3)= how do I do this? I need help! it throws me off because of it being in fraction form.
math
thanks alot
math
consider the functions f(x)=x^3-2 and g(x)=3 sqrt x+2: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverse of each other. I have no clue where to even begin!
math
x-(-7)=4
math
simplify -|-5-7|
math
solve x-(-7=4
math
4 - x -3=5 5 solve the equation
inequality/math
3x-8>5
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