Answered

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What are the x-intercepts for the function f(x)=x2 + 2x - 15?

A.
(0,-5), (0,3)

B.
(0,5), (0, -3)

C.
(5, 0), (-3,0)

D.
(-5,0), (3,0)

Sagot :

Answer:

D) [tex](-5,0),(3,0)[/tex]

Step-by-step explanation:

[tex]f(x)=x^2+2x-15\\\\0=x^2+2x-15\\\\0=(x+5)(x-3)\\\\x=-5,x=3\\\\(-5,0),(3,0)[/tex]

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