A graph of is to be plotted for

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

A graph of

y = x^2 - 4x + 3

is to be plotted for

-1 \le x \le 5

. Which of the following intervals is the smallest that contains all possible

y

-values of the graph in this domain and is therefore suitable for choosing the vertical scale? (a)

[0,\,8]

(b)

[-1,\,10]

(c)

[-1,\,8]

(d)

[-1,\,5]