Day 4: Functions and Exponential Functions

Determine if the following are functions. Write yes or no.

• yes

• no

Tags

CCSS.8.F.A.1

Determine if the following are functions. Write yes or no.

• Yes

• No

Let f(x) = 2x – 9, and g(x) = x² – 4x + 9.

Compute the following.

f(g(–2))

• 4

• 33

• 51

• 21

Tags

CCSS.HSF-BF.A.1C

Let f(x) = 2x – 9, and g(x) = x² – 4x + 9.

Compute the following.

3f(2) + 2

• -13

• 17

• -15

• -5

Tags

CCSS.HSF.IF.A.2

Let f(x) = 2x – 9, and g(x) = x² – 4x + 9.

Compute the following.

f(m – 1)

• 2m - 11

• 2m - 7

• 2m - 9

• 2m - 5

Tags

CCSS.HSF.IF.A.2

Let f(x) = 2x – 9, and g(x) = x² – 4x + 9.

Compute the following.

f(1) + g(–1)

• A. 5

• B. 7

• C. -21

• D. 11

Tags

CCSS.HSF.IF.A.2

Let f(x) = 2x – 9, and g(x) = x² – 4x + 9.

Compute the following.

g(2) – f(3)

• 2

• 8

• -8

• 5

Tags

CCSS.HSF.IF.A.2

Let f(x) = 2x – 9, and g(x) = x² – 4x + 9.

Compute the following.

g(3) * g(–2)

• 6

• 126

• 78

• 21

Tags

CCSS.HSF-BF.A.1C

Tags

CCSS.HSF-IF.C.7E

• (0, 2)

• (0, 1)

• (0, 0)

Tags

CCSS.HSF-IF.C.7E