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The graph below shows a rational function with a vertical asymptote at x = −2 and a horizontal asymptote at y = 3. Which function form has those asymptotes?
Af(x) = 3x
Bf(x) = 3 + k/(x + 2)
CNo asymptotes
DLinear function
Explanation
Standard rational form: VA where denominator is zero. HA is the constant added when degrees match. f(x) = 3 + k/(x + 2) has VA x = −2 and HA y = 3.
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