Page 50 - Calculus Demystified
P. 50
Basics
CHAPTER 1
Fig. 1.41 37
EXAMPLE 1.33
√
Sketch the graph of f(x) = x + 1.
SOLUTION
We begin by noticing that the domain of f , that is the values of x for which
the function makes sense, is {x: x ≥−1}. The square root is understood to
be the positive square root. Now we compute a table of values and plot some
points.
