Question

Draw the graph of f(x) = x2 - 3x - 4. Hence, discuss the sign of x2 – 3x - 4.
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Answer 1

Answer:

The graph of p(x) is given above.

Clearly, from the graph x=−4,1 are zeros of p(x).

Verification:-

p(−4)=(−4)

2

+3×−4−4=16−12−4=0

p(1)=(1)

2

+3×1−4=1+3−4=0

solution

Answer 2

Step-by-step explanation:

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