Chapter 5 - Section 5.4 - More Trigonometric Graphs - 5.4 Exercises - Page 438: 7

IV

Questions 3 through 8 asks for a match with the function with one of the graphs labeled I - VI Given $f(x) = 2 \sec x$ At $x = 0$, $2\sec x= 2$ There is also an asymptote at $x = \frac{\pi}{2}$ The only graph that has that point and asymptote is graph IV