Function Quiz

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

Let w(x) = 3x - 7. If w(x) = 14, find x.

• 7

• 35

• 2.33333

• -49

Given h(x) = -9x +5, find h(8).

• h(8) = -360

• h(8) = -67

What is f(0)

• 0

• -4

• 2

• -2

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2

Given g(x)=3x²-2x-1

What is g(3)

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1