1.4-1.6 Precalc Quiz

a) Is the relation a function? b) Does the relation have an inverse that is a function?

• a) Yes b) No

• a) No b) Yes

• a) No b) No

• a) Yes b) Yes

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.1

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

• 19
• 28
• 23
• 75

Tags

CCSS.HSF-BF.A.1C

g(x)=3x+4

h(x)=3x-1

Find g(h(x))

• -9x + 11

• 9x² + 9x - 4

• 9x + 1

• 9x + 11

Tags

CCSS.HSF-BF.A.1C

Find the equation of the reflection of f across the x-axis.

f(x) = x² + 5

• -x² - 5

• x² - 5

• -x² + 5

• x² + 5

• ± x² - 5

Tags

CCSS.HSF.BF.B.3

Which way does the parent squaring function move if the equation looks like y = (x - 5)² ?

• Graph moves UP

• Graph moves to the RIGHT

• Graph moves DOWN

• Graph moves to the LEFT

Tags

CCSS.HSF.BF.B.3

CCSS.HSF.IF.C.7

Are these functions inverses?

• No
• Yes
• No way to tell

Tags

CCSS.HSF-BF.B.4B

• (-∞, 4)

• (-∞, 4]

• (4, ∞)

• [4, ∞)

• (4, 7) U (7, ∞)

Tags

CCSS.HSF-BF.A.1B

Which ordered pair is in the inverse of the equation given by

x + xy = 12

• (2, 4)

• (2, 5)

• (3, 6)

• (6, 3)

Tags

CCSS.HSF-BF.B.4C

Given the graph of f(x), which of the following represents |f(x)| ?

• 
• 
• 
• 

Tags

CCSS.HSF.BF.B.3

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

If f(x) = x² + 1, then f(f(x)) =

• 2x² + 2

• 2x² + 1

• x⁴ + 1

• x⁴ + 2x² + 1

• x⁴ + 2x² + 2

Tags

CCSS.HSF-BF.A.1C