Composite Functions Quiz #2

Which expression represents g(f(x)) if          f(x) = 2x - 8
and
g(x) = 4x

• 8x - 32
• 8x² - 32x
• 8x - 8
• 6x - 8

Tags

CCSS.HSF-BF.A.1C

Which expression represents g(f(x)) if 
f(x) = 2x - 8 and
g(x) = 4x

• 8x - 32
• 8x² - 32x
• 8x - 8
• 6x - 8

Tags

CCSS.HSF-BF.A.1C

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

Given f(x)=2x+25, find f(5).

• f(5) = 60
• f(5) = 40
• f(5) = -15
• f(5) = 35

Tags

CCSS.HSF.IF.A.2

• -15

• 15

• 21

• -4

Tags

CCSS.HSF.IF.A.2

Given f(x)= x - 3, find f(7)

• 10

• -4

• 0

• 4

Tags

CCSS.HSF.IF.A.2

Given g(x) = 2x + 5, find g(5).

• 10

• 15

• 7

• 12

Tags

CCSS.HSF.IF.A.2

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

• -42
• -26
• -18
• None of these.

Tags

CCSS.HSF-BF.A.1C

Which expression represents g(f(x)) if          f(x) = 2x - 8
and
g(x) = 4x

• 8x - 32
• 8x² - 32x
• 8x - 8
• 6x - 8

Tags

CCSS.HSF-BF.A.1C

Given f(x) = x+3, find f(-2).

• -1

• 1

• 5

• -5

Tags

CCSS.HSF.IF.A.2