Question

Suppose $f(x,y)$ is a real-valued function such that $f(3x+2y,2x-5y)=19x$, for all real numbers $x$ and $y$ . The value of x for which $f(x,2x) = 27$ , is

• A. 3
• B. 4
• C. 42
• D. None of Above

Answer 1

Answer: (A)

3

Answer 2

The correct option is (A): 3.