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Mathematics 20 Online
OpenStudy (anonymous):

If f(x) = 2x and g(x) = 5x then is 7x True or false?

jimthompson5910 (jim_thompson5910):

something is missing...

jimthompson5910 (jim_thompson5910):

it says "then ... is 7x" I think something goes in the "..."

jimthompson5910 (jim_thompson5910):

if it's f(x) + g(x), then.... f(x) + g(x) = (2x) + (5x) = 7x which would make it true

jimthompson5910 (jim_thompson5910):

but that's only IF f(x) + g(x) is what goes there

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