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بس عندي سؤال 4 و 7 ماني بعارف احلهم ويا ليت لو اي واحد يقدر يجاوب
If f and g are continuous functions with f(1) = 4 and the following limit, find g(1).
lim:x-->1 (3f(x)-g(x))=5
For what value of the constant
c is the function
f continuous on (-

,

)?
f (x = cx*2 + 8x if x < 3
f (x = x*3 - cx if x > or = 3
please if there's anyone knows how to solve them i would be glad
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علامه النجمه يعني (اس)