Question

watch the video and then solve the problem given below.
click here to watch the video
using the intermediate value theorem, show that the
function f has a zero between a and b.
f(x)=x^{3}+3x^{2}-9x - 13; a = - 5, b = - 4
what is f(-5)? - 18
what is f(-4)?

Explanation:

Step1: Calculate \(f(-4)\)

Substitute \(x = - 4\) into \(f(x)=x^{3}+3x^{2}-9x - 13\)

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Answer:

\(7\)