Question

Problem Description - 7/15
A function F(N) is defined as F(N)=N*N+N+1
The movement of a toy car is based on the function F(N) which is given below:
1. The toy car moves in the North direction when F(N) is between or equal to 3 and 6
Il The toy car moves in the South direction when F(N) is between or equal to 6 and 15
Ill The toy car moves in the East Direction when F(N) is between or equal to 1 and 2
1 The toy car moves in the West Direction when F(N) is between or equal to 31 and 50
V At all other values except the ones defined above the toy car doesn't move
If N=3, then in which direction is the toy car moving?
Correct answer1
Incorrect answer:0
Options
North
South
East
West​

Answer 1

Given : A function F(N) is defined as F(N)=N*N+N+1

The movement of a toy car is based on the function F(N) which

1. The toy car moves in the North direction when F(N) is between or equal to 3 and 6

II. The toy car moves in the South direction when F(N) is between or equal to 6 and 15

III. The toy car moves in the East Direction when F(N) is between or equal to 1 and 2

IV. The toy car moves in the West Direction when F(N) is between or equal to 31 and 50

V. At all other values except the ones defined above the toy car doesn't move

To Find : If N=3, then in which direction is the toy car moving?

North

South

East

West​

Solution:

F(N)=N*N+N+1

N = 3

=> F(3) = 3 *3   + 3  + 1

=> F(3) = 9  + 4

=> F(3)  = 13

13 lies between  6 and 15

The toy car moves in the South direction when F(N) is between or equal to 6 and 15

Hence Toy car is moving in South direction

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