+0  
 
0
204
1
avatar+34 

The function f(x)=(5+x)^2+1 is increasing throughout the interval

 

a.1

b. negative infinity

c. -5

d. negative infinity

 

THANKS 

mrlevan3  Dec 5, 2017
edited by mrlevan3  Dec 5, 2017

Best Answer 

 #1
avatar+7096 
+1

f(x)  =  (5+x)^2 + 1

 

This is a parabola that opens upward, with its vertex at  (-5, 1)  .

 

So  f(x)  is increasing (the slope is positive) for every  x  value in the interval  (-5, ∞)

 

Look at the graph of  f(x)  here:  https://www.desmos.com/calculator/s14ug38qqc

hectictar  Dec 5, 2017
 #1
avatar+7096 
+1
Best Answer

f(x)  =  (5+x)^2 + 1

 

This is a parabola that opens upward, with its vertex at  (-5, 1)  .

 

So  f(x)  is increasing (the slope is positive) for every  x  value in the interval  (-5, ∞)

 

Look at the graph of  f(x)  here:  https://www.desmos.com/calculator/s14ug38qqc

hectictar  Dec 5, 2017

11 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.