If the car were 6 feet tall, the model would be 1in tall. so if the model is .75in then you would do 75% of 6, so therefore, you will get 4.5.
The values cannot be labeled as dependent or independent without a givin equation
Get two coordinates from the graph
(0,1) and (1,3)
Use them to find gradient
(3-1)/(1-0)=2
Answer:
f(3)=3³+2×2²-2-1=27+8-3=32
