Unit 1 Functions & Inverses

Given g(x) = 4x - 7, find g(-9).

• g(-9) = 29

• g(-9) = -43

• g(-9) = 43

• g(-9) = -29

Tags

CCSS.HSF.IF.A.2

• F
• G
• H
• J

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the Domain?

• -10 ≤ y ≤ 6
• y ≤ 6
• -10 ≤ x ≤ 6
• All Real Numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the graph?

• -3 ≤ x ≤ 3
• 3 ≤ x ≤ -3
• -2 ≤ x ≤ 10
• -3 ≤ x ≤ 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

Given
f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1
• 5x⁴ + 6x² - 1
• 5x² + 6x - 1
• 5x² + 8x - 1

Tags

CCSS.HSF-BF.A.1C

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this a function?

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Find (f + g)(x)

• 2x - 4

• 8x - 4

• 8x + 20

• 2x + 4

Tags

CCSS.HSF-BF.A.1B

Find (f − g)(x)

• 2x - 4

• 8x + 4

• 8x - 20

• 2x + 4

Tags

CCSS.HSF-BF.A.1B