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What is the y-intercept of the exponential function?

 

SamJones  Feb 12, 2018

Best Answer 

 #2
avatar+6943 
+1

f(x)   =   -0.25(6)x+2 - 1

 

The y-intercept is the value of the function when  x = 0 .

 

Plug in  0  for  x  .

 

f(0)   =   -0.25(6)0+2 - 1

 

f(0)   =   -0.25(6)2 - 1

 

f(0)   =   -0.25(36) - 1

 

f(0)   =   -9 - 1

 

f(0)   =   -10

 

The y-intercept is  -10

hectictar  Feb 12, 2018
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2+0 Answers

 #1
avatar+544 
0

x=0

y=4(f)=3

y=3

 

 

winkwinkwink

lynx7  Feb 12, 2018
 #2
avatar+6943 
+1
Best Answer

f(x)   =   -0.25(6)x+2 - 1

 

The y-intercept is the value of the function when  x = 0 .

 

Plug in  0  for  x  .

 

f(0)   =   -0.25(6)0+2 - 1

 

f(0)   =   -0.25(6)2 - 1

 

f(0)   =   -0.25(36) - 1

 

f(0)   =   -9 - 1

 

f(0)   =   -10

 

The y-intercept is  -10

hectictar  Feb 12, 2018

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