Chapter 2 Review

If f(x) = x² + 9 and
g(x) = x - 9,
find f(x) - g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

If g(x) = 6x + 4  and
f(x) = 2x - 7
Find f(x) * g(x)

• 8x - 3
• 4x + 11
• 12x² - 28
• 12x² - 34x - 28

Tags

CCSS.HSF-BF.A.1B

Given f(x) = -x + 4 and g(x) = 6x + 3,
find (f - g)(x).

• -7x + 1
• 5x +1
• -5x -1
• 5x + 1

p(x) = 3x + 4
q(x) = 2x²
Find (p∘q)(x)

• 10x²
• 18x² + 4
• 6x² + 4

Tags

CCSS.HSF-BF.A.1C

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

• 3x + 8
• 3x - 2
• 3x + 4
• None of these.

Tags

CCSS.HSF-BF.A.1C

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of f(g(4)).

• 182
• 40
• 61
• None of the Above

Tags

CCSS.HSF-BF.A.1C

What is the domain?

• (-∞, 5/3]
• [5/3, ∞)
• All real numbers except for x=5/3
• [-5/3, 5/3]

What is the domain?

• (-∞, -4]
• (-∞, 4]
• [4, ∞)
• [-4, ∞)

What is the domain?

• All real numbers
• [0, ∞)
• (-∞, 0) & (0, ∞)
• (-∞, 0]

What is the domain?

• All real numbers except for c=5
• (-∞, 5]
• [5, ∞)
• All real numbers except for c=0