Question
Multivariable Calculus Question on Functions of Two or Three Real Variables
Let f : R2→R2 be defined by f(x, y) = (ex cos(y), ex sin(y)). Then the number of points in R2 that do NOT lie in the range of f is
A
0
B
1
C
2
D
infinite
Answer
1
Explanation
Solution
The correct option is (B) : 1.