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WITCHER [35]
3 years ago
9

Determine the number of x-intercepts that appear on a graph of each function.

Mathematics
2 answers:
Ymorist [56]3 years ago
4 0
3 x-intercepts:

1) x = -1
2) x = 3
3) x = 4
natima [27]3 years ago
3 0

Answer:

x-intercept states that the graph crosses the x-axis.

i.,e substitute y=f(x)= 0 and solve for x;

Given the function: f(x) = (x+1)(x-3)(x-4)

By definition of f(x)

Substitute f(x) =0 and solve for x;

(x+1)(x-3)(x-4) = 0

By zero product property: if ab = 0 then either a = 0 or b =0

x+1 = 0 ,    x-3 =0    and  x-4 = 0

⇒ x = -1 , 3 and 4

therefore, the number of x-intercepts are 3

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