Question

Which of the following best describes the graph of f(x) = x2 - 3x - 10?

Answer 1

Minimum at (1.5, -12.25) with intercepts at (5, 0) and (-2, 0)

Minimum at (-1.5, -12.25) with intercepts at (-5, 0) and (2, 0)

Minimum at (-3.5, -2.25) with intercepts at (-5, 0) and (-2, 0)

Minimum at (3.5, -2.25) with intercepts at (5, 0) and (2, 0)

Answer 2

I will give medals

Answer 3

differentiate to find the critical points..

Answer 4

then double differentiate and plug in the critical points and check whether they are min. or max. do u know how to do that?