Graphing domain/Range

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

• -19
• -21
• 17
• -1

Tags

CCSS.HSF-BF.A.1C

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

• g(f(x))= -3x²-6
• g(f(x))= -3x²+2
• g(f(x))=9x²+2
• g(f(x))= -9x²+2

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

• 9 - √17
• 4
• 2
• √8

Tags

CCSS.HSF-BF.A.1C

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

You can find a function's inverse algebraically by

• Replacing each x with y, and each y with x
• Evaluating f(x) for x = 0
• Setting f(x) = 0 and
  then solving for x
• Replacing each x with its best friend

Tags

CCSS.HSF-BF.B.4A

Find the domain of f(x).

• (-3, ∞)
• [-3, ∞)
• (3, ∞)
• [3, ∞)

Find the domain of f(x)

• (-2, ∞)
• [-2, ∞)
• [-4, ∞)
• (-4, ∞)

Find the domain of f(x).

• (-∞, 7) ⋃ (7, ∞)
• (-∞, 7] ⋃ [7, ∞)
• (-∞, -7) ⋃ (-7, ∞)
• (-∞, -7] ⋃ [-7, ∞)