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What are all the ordered pairs that lie on the graph of the exponential function 𝑓(𝑥) = (−5)x+3 ?

a. (0, -125)

b. (-3, 25)

c. (1, 425)

d. (-5, 1/25) 

What are all the ordered pairs that lie on the graph of the exponential function 𝑓(𝑥) = 4(2)x-2 ?

a. (5, 32)

b. (2, 4)

c. (-2, 1/16)

d. (1, 0) 

 

What are all the ordered pairs that lie on the graph of the exponential function 𝑓(𝑥) = 3(1/2)x ?

a. (-2, 48)

b. (0,3)

c. (2, 3/16)

d. (12,0) 

Guest Dec 1, 2017
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3+0 Answers

 #1
avatar+79894 
0

f)x)  =  (-5)x + 3

The points that appear are

 

(-5)0 + 3   =  (-5)3  =  -125   ⇒  (0, -125)

(-5) -5+ 3   =  (-5)-2  =  1/52    =    1 /25 ⇒  (-5, 1/25)

 

Based on this......can you figure out the other two ??

 

If not......let me know......

 

 

cool cool cool

CPhill  Dec 1, 2017
 #2
avatar
+1

Im unable to do the last two :(

Guest Dec 1, 2017
 #3
avatar+79894 
+1

OK.....here you go....!!!!

 

4 *2x - 2    

 

The points that appear are

 

4 *2 5- 2   =  4 * 23   =  4 * 8   =  32    ⇒  ( 5, 32)

4 *2 2- 2   =  4 * 20   =  4 * 1   =  4    ⇒  ( 2, 4)    

 

______________________________________

 

3(1/2)x

 

The points that appear are

 

3(1/2)0  = 3 * 1   = 3  ⇒  (0, 3)

 

 

 

cool cool cool

CPhill  Dec 1, 2017

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