Answer:
yes
Step-by-step explanation:
For the relation to be a function, there must only be one corresponding value of y (range) for any value of x in the domain, that is a one-to- one relationship
This graph displays this feature and is a function.
Answer:
$3.50
Step-by-step explanation:
42 divided by 12 is the price of one cookie.
42 divided by 12 = $3.50
hope this helps :)
Answer:
Step-by-step explanation:
Δ = 
VΔ = 4 * 8 = 32
a = (- 4 ± 32) * 
a' = 7/2
a''= 9/2
The equation for the slope of a line is:
y2-y1/x2-x1
So:
-4-1/1-2 = -5/-1 =5
The slope of the line is 5.
Tan(40)= x/20 => x= tan(40).20= 16,78
Ok done. Thank to me:>