Evaluate Function Values: Fun with Function Notation!

1. If f(x) = 2x + 3, what is f(4)?

• 9

• 11

• 15

• 7

2. The function g(t) = t^2 - 5 represents the height of a ball in meters after t seconds. What is g(3)?

• -4

• 4

• 5

• 9

3. If h(n) = 3n - 7, what is the value of h(5)?

• 0

• 2

• 10

• 8

4. A function p(d) = 4d + 10 describes the total cost in dollars for d donuts. How much do 6 donuts cost?

• 20 dollars

• 34 dollars

• 50 dollars

• 15 dollars

5. If q(x) = x/2 + 1, what is q(10)?

• 5

• 8

• 6

• 7

6. The function r(m) = 5m - 2 represents the distance in miles after m hours. What is r(2)?

• 6

• 8

• 4

• 10

7. If s(k) = 3k + 4, what is the value of s(0)?

• 4

• 7

• 0

• 3

8. A function t(b) = b^2 + 2b describes the area of a square garden in square meters with side length b. What is t(4)?

• 16

• 32

• 20

• 24

9. If u(x) = 7 - x, what is u(3)?

• 1

• 2

• 5

• 4

10. The function v(y) = 2y + 1 represents the number of apples in a basket after y days. How many apples are there after 5 days?

• 15

• 11

• 10

• 12