Master Function Notation - Beginner Level Problems Function Notation BEGINNER

Excel in competitive exams with this skill builder ⚡ worksheet on Function Notation. Worksheet 3 of 10 contains 20 beginner-level problems. Target your step-by-step problem solving skills while practicing function notation practice, function notation for competitive exams, and how to solve function notation.

📝 Worksheet 3 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Function Notation
Worksheet 3 of 10 (22% complete)

Question 1

If f(x) = x/2, then find f(5)
Substituting x = 5:
5/2 = 2.50

Question 2

If f(x) = x², then find f(1)
Substituting x = 1:
1² = 1

Question 3

If f(x) = x + 3, then find f(1)
Substituting x = 1:
1 + 3 = 4

Question 4

If f(x) = x², then find f(3)
Substituting x = 3:
3² = 9

Question 5

If f(x) = |x|, then find f(2)
Substituting x = 2:
|2| = 5

Question 6

If f(x) = x², then find f(9)
Substituting x = 9:
9² = 81

Question 7

If f(x) = x + 3, then find f(2)
Substituting x = 2:
2 + 3 = 5

Question 8

If f(x) = x - 2, then find f(7)
Substituting x = 7:
7 - 2 = 5

Question 9

If k(x) = x² - 1, then find k(7)
Substituting x = 7:
7² - 1 = 48

Question 10

If k(x) = x/4, then find k(3)
Substituting x = 3:
3/4 = 0.75

Question 11

If k(x) = x + 7, then find k(2)
Substituting x = 2:
2 + 7 = 9

Question 12

If f(x) = |x|, then find f(7)
Substituting x = 7:
|7| = 10

Question 13

If k(x) = x + 7, then find k(10)
Substituting x = 10:
10 + 7 = 17

Question 14

If k(x) = x² - 1, then find k(6)
Substituting x = 6:
6² - 1 = 35

Question 15

If k(x) = x² - 1, then find k(4)
Substituting x = 4:
4² - 1 = 15

Question 16

If k(x) = x + 7, then find k(3)
Substituting x = 3:
3 + 7 = 10

Question 17

If k(x) = x² - 1, then find k(2)
Substituting x = 2:
2² - 1 = 3

Question 18

If f(x) = x + 3, then find f(3)
Substituting x = 3:
3 + 3 = 6

Question 19

If f(x) = 2x + 1, then find f(5)
Substituting x = 5:
25 + 1 = 26

Question 20

If g(x) = x/3, then find g(3)
Substituting x = 3:
3/3 = 1
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