+0  
 
+1
934
3
avatar+885 

If f(x) = x^2 - 3x, then find f(-3).

 

Is it 0?
 

 Apr 21, 2019
 #1
avatar+129852 
+2

f(-3)  = (-3)^2  -3(-3)    =  9 + 9  =  18

 

 

cool  cool cool

 Apr 21, 2019
 #2
avatar+885 
+1

Thank you! I was debating between that answer! laugh

ant101  Apr 21, 2019
 #3
avatar+220 
-2

Substitute the variables.

 

f(-3) = -3^2 -(-9)

 

After that, simplify that...

 

f(-3) = 9+9 = 18

 

The answer is 18.

 

~~Hypotenuisance

 Apr 21, 2019

1 Online Users

avatar