Let g be the function defined on the set of all real numbers by(继续) g(x)=1 if x is rational and g(x)=e^x if x is irrational.Then the set of numbers at which g is continuous is(a)the empty set(b){0}(c){1}(d)the set of rational numbers (e)the set o
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![Let g be the function defined on the set of all real numbers by(继续) g(x)=1 if x is rational and g(x)=e^x if x is irrational.Then the set of numbers at which g is continuous is(a)the empty set(b){0}(c){1}(d)the set of rational numbers (e)the set o](/uploads/image/z/11256063-15-3.jpg?t=Let+g+be+the+function+defined+on+the+set+of+all+real+numbers+by%28%E7%BB%A7%E7%BB%AD%29+g%28x%29%3D1+if+x+is+rational+and+g%28x%29%3De%5Ex+if+x+is+irrational.Then+the+set+of+numbers+at+which+g+is+continuous+is%28a%29the+empty+set%28b%29%7B0%7D%28c%29%7B1%7D%28d%29the+set+of+rational+numbers+%28e%29the+set+o)
Let g be the function defined on the set of all real numbers by(继续) g(x)=1 if x is rational and g(x)=e^x if x is irrational.Then the set of numbers at which g is continuous is(a)the empty set(b){0}(c){1}(d)the set of rational numbers (e)the set o
Let g be the function defined on the set of all real numbers by
(继续) g(x)=1 if x is rational and g(x)=e^x if x is irrational.Then the set of numbers at which g is continuous is
(a)the empty set
(b){0}
(c){1}
(d)the set of rational numbers
(e)the set of irrational numbers
为什么选b?
Let g be the function defined on the set of all real numbers by(继续) g(x)=1 if x is rational and g(x)=e^x if x is irrational.Then the set of numbers at which g is continuous is(a)the empty set(b){0}(c){1}(d)the set of rational numbers (e)the set o
x=0,e^x=1,此时函数连续