Pre-Calculus Chapter 3 Test

What is the inverse of (2,4)

• (-2,-4)

• (4,2)

• (-4,-2)

• (-2,4)

Find the inverse of f(x)= - x + 2.

• y = - x + 2

• y = - x - 2

• y = 2x

• y = - x

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

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

• 3x² - 2
• 3x + 8
• 3x + 4
• 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.1B

When f(x) = 4x+8 and
g(x) = x+3, find
(f⋅g)(x)

• 4x²+24
• 4x²+20x+24
• 4x²+12x+24
• 4x²+4x+24

Tags

CCSS.HSF-BF.A.1C

are these inverse functions?

• no
• yes
• no way to tell

Tags

CCSS.HSF-BF.B.4C

Which graph is the inverse of the graph shown?

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4C

Find the inverse of f(x) = -3x²+5

• 
• 
• 
• 

Tags

CCSS.HSF-BF.B.4D

Use the horizontal line test to determine whether the inverse of the graph is a function.

• Function

• Not a Function

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.1