+0  
 
0
17
1
avatar+843 

The function $f(x)$ is defined only on domain $[-1,2]$, and is defined on this domain by the formula
f(x) = 2x^2-8x+1.
What is the range of $f(x)$? Express your answer as an interval or as a union of intervals.

 Jul 14, 2024
 #1
avatar+129852 
+1

2(-1)^2 -8 (-1) + 1   =  11

 

2(2)^2 - 8(2)+ 1 =  -7

 

Range =  [ -7, 11 ]

 

 

cool cool cool

 Jul 15, 2024

0 Online Users