Let f(x,y)=g(x)h(y) where g and h are continuous functions on all real numbers such that g(x)=h(x+1) and R={(x,y) | 1 ≤ x ≤ 2, 2 ≤ y ≤3}. Consider the following statements (image) a. Only statement 2. is true b. All statements are false c. All statements are true d. Only 1 and 2 are true e. Only statement 3. is true f. Only 2 and 3 are true g. Only 1 and 3 are true h. Only statement 1. is

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