DOMAIN AND RANGE FROM THE GRAPH OF EXPONENTIAL FUNCTION WORKSHEET

Identify the domain and range for each graphed exponential function.

Problem 1 :

domain-and-range-from-exp-graphq1

Solution

Problem 2 :

domain-and-range-from-exp-graphq2.png

Solution

Problem 3 :

domain-and-range-from-exp-graphq3.png

Solution

Problem 4 :

domain-and-range-from-exp-graphq4.png

Solution

Problem 5 :

domain-and-range-from-exp-graphq5.png

Solution

Graph the functions for the given table shown for each questions.

table-of-exp-function

i) Is the function increasing or decreasing

ii)  Find the domain and range of the function.

Problem 6 :

f(x) = 4x

Solution

Problem 7 :

f(x) = 0.4x

Solution

Answer Key

1)  

Domain is all real numbers (-∞, ∞)

the range is (-∞, 0).

2)  

Domain is all real numbers (-∞, ∞).

the range is (-4, ∞).

3)

Domain is all real numbers (-∞, ∞).

the range is (-∞, 1).

4)

Domain is all real numbers (-∞, ∞).

the range is (-∞, 4).

5)  

Domain is all real numbers (-∞, ∞).

the range is (-3, ∞).

6)

i)   it is increasing function.

ii) Domain is all real numbers (-∞, ∞).

Range is (0, ∞).

7) 

i) It is decreasing function.

ii) Domain is all real numbers (-∞, ∞).

Range is (0, ∞).

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