﻿ Function Worksheet - Page 7 | Problems & Solutions
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Function Worksheet
• Page 7
61.
The table shows the area and side length of three squares.
 Area of the square (A cm2) Length of a side (s cm) 1 1 4 2 9 3

Which formula shows the relationship between the length of a side and the area of the square? a. A = 4$s$ b. $s$ = A2 c. A = 2 × $s$ d. A = $s$2

#### Answer: (d)

Correct answer : (4)
62.
The table shows the area and side length of three squares.
 Area of the square (A cm2) Length of a side (s cm) 1 1 4 2 9 3

Which formula shows the relationship between the length of a side and the area of the square? a. A = 2 × $s$ b. A = $s$2 c. A = 4$s$ d. $s$ = A2

#### Answer: (b)

Correct answer : (2)
63.
The table shows the area and side length of three squares.
 Area of the square (A cm2) Length of a side (s cm) 1 1 4 2 9 3

Which formula shows the relationship between the length of a side and the area of the square? a. A = 4$s$ b. A = $s$2 c. $s$ = A2 d. A = 2 × $s$

#### Answer: (b)

Correct answer : (2)
64.

#### Solution:

It is observed that an extra of $11.99 is added for every extra trouser bought. The discount offered increases by 11.99 as the number of trousers bought increases by 1. So, the rule representing the relationship can be given as, Discount offered =$11.99 × Number of trousers.

Correct answer : (1)
70.
Which of the tables demonstrates the relationship, output = $\frac{1}{2}$ × input?  a. Table 1 b. Table 2 c. Table 3 d. Table 4

#### Solution:

Substitute the values given in the table in the relation, output = 1 / 2 × input.

The values in table 4 satisfy the relation.

Correct answer : (4)

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