(c) The values of x from part (b) are referred to as what In Exercises 1-4, use

Question

(c) The values of x from part (b) are referred to as what In Exercises 1-4, use the graph of the function to find the domain and range of f. Then find f(0). graphically? (d) Find s(0). if possible. (e) The value from part (d) is referred to as what 2. graphically? coordinates of the point? coordinates of the point? x =-3. can be labeled (-3,f(-3)) or (-3, (D What is the value of f at 1? What are the (g) what is the value off at r=-1 ? What are the (h) The coordinates of the point on the graph of fat w ). hich 3. |y=f(x) 13. 14. -2 In Exercises 5-10, use a graphing utility to graph the function and estimate its domain and range. Then find the domain and range algebraically In Exercises 15-18, use the Vertical Line Test to deteria whether y is a function of x. Describe how you can use a graphing utility to produce the given graph In Exercises 11-14, use the given function to answer the questions (a) Determine the domain of the function. (b) Find the valuets) of x such that f(x)o

Explanation / Answer

1. Domain=[-2,2]

Range=[-4,1]

f(0)=1

3.Domain=[-4,4]

Range=[0,4]

f(0)=4

11.a)Domain=R , set of all real numbers.

b) f(x)=0, implies, x=3 or x=-2

c) x- intercept of the graph

d)f(0)=-6,

e) y- intercept of the graph

f) f(1)=-6, coordinates (1,-6)

g) f(-1)=-4, (-1,-4)

f)(-3,f(-3))=(-3,6)

13.

a)domain=R, reals

b)f(x)=0, implies,x=-1 or x=3

c) x intercepts

d) f(0)=1-2=-1

e)y intercept

f)f(1)=-2, (1,-2)

g)f(-1)=0, (-1,0)

h)f(-3)=2, (-3,2)

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