Answer:
A is a function/B is not.
Step-by-step explanation:
A, there are 1 x value for 1 y value.
B, is not a function because for 1 x value, there are 2 y values.
Answer:
3.75
Step-by-step explanation:
Answer:
B(12)
Step-by-step explanation:
Constant of proportionality is basically the slope.
Slope = Δy/Δx
here y= distance travelled and x= number of hours
so slope = 36-3/3-0.25= 33/2.75 = 12
Answer:
f(- 2) = - 2
Step-by-step explanation:
To evaluate f(- 2) substitute x = - 2 into f(x)
f(- 2) = 3(- 2) + 4 = - 6 + 4 = - 2