f(3) also means f(x). Therefore, the x value is 3, and the y value is 10: the point on the graph is (3, 10)
A linear function can’t repeat but a quadratic function can
Answer: 106 km/h,2.5 hr
Step-by-step explanation:
Given
The train travels 315 km in the same time car travels 265 km
The average speed of the train is 20 kmph faster than car
Suppose, speed of the car is v and it travels 265 km in t hours

Time taken to travel is