Answer:
f(x)=-x+3
Step-by-step explanation:
contains (0, 3) and (3, 0)
slope = (3-0)/(0-3)=3/-3=-1
f(x)=-x+b
b=3
f(x)=-x+3
Answer:
C - The relationship represents a function because each input gives one unique output.
Step-by-step explanation:
To see if it is a function we can do the line test where we have a vertical line and "drag" it along the line. As long as it only hits the line once in every situation it is a function! We can see this passes and therefore the answer is c.
(why is it not d? you can have a non-linear line, but still have a function)
1 mile = 1.6 km
x = 50 × 1.6
x = 80 miles
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It is in standard form: y=mx+b
