Answer:
0 (zero)
Step-by-step explanation:
Plug in the variable for -4 and solve
y= 2(-4)2-4(-4)
y= -8(2)-4(-4)
y=-16+16
y=0
Answer:
A because he can press it whenever he wants to and that will be variability because it is different
pls give brainliest
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
f(x) = -x^2
f(3) = -3^2
f(3) = 9
6x + 4y = 22
+
2x - y = 1
____________
8x + 3y = 23