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x+2x-15 f(3)= -9 Questions 4-5: Consider the function #4 Which of the following statements is correct? O(A) The function has
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Answer #1

2r 15 f(z)- 2- 15 2-9

5 3 15 f(x) (r3)(r -3)

f(r)=(+5)-3(r +5)) (r 3)(x -3)

(x-3(r5) f (r)= r3 -3) (x+3)(x -3)

x=3 is hole

(x5) f(2x) f (r)=r3) (r+3)

function has roots at x=-5 (the points where f(x)=0)

function vertical asymptote at x=-3 (the point where function tends to infinite)

(E) The function has a hole at x=3 and vertical asymptote at x=-3

vertical Asymtote x-3 2 Hole x 3 -10 -8 -6 -2 0 2 4 6 2 st

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