Functions, Domain and Range and Operations on Functions

What is the RANGE of the function?

• (-∞, +∞)

• (-∞, 4]

• (-∞, 4)

• [0, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the DOMAIN of the function?

• (-∞, +∞)

• (-∞, 4]

• (-∞, 4)

• [0, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

f(x) = 4x+8
g(x) = x+3,
Find f(x) * g(x)

• 4x²+24

• 4x²+20x+24

• 4x²+12x+24

• 4x²+4x+24

Tags

CCSS.HSF-BF.A.1B

f(x)=3x²+1
g(x)=4x+5
What is (f+g)(2)

• 13

• 0

• 26

• 6x²+8x+12

Tags

CCSS.HSF-BF.A.1B

h(x)=x²-3x-10,
j(x)=3x-2
What is (h/j)(-2)

• -2

• undefined

• 0

• 1

Tags

CCSS.HSF-BF.A.1B

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

• -9x+11

• 4x²+4x

• 9x+1

• 9x+11

Tags

CCSS.HSF-BF.A.1C

When f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3

• 4x²+3

• 2x²+3

• 2x²+6

Tags

CCSS.HSF-BF.A.1C

f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

• 16

• 4

• -4

• None of these.

Tags

CCSS.HSF-BF.A.1C

What is f(-1)?

• 6

• -2

• sqrt(2)

• DNE

Tags

CCSS.HSF.IF.A.2