Function Review

Evaluate f(-2) if f(x) = -1/2x + 3

• 2
• -2
• 4
• -1

Tags

CCSS.HSF.IF.A.2

Evaluate f(-2) if f(x) = x²+ 3

• -1
• 1
• 7
• -7

Tags

CCSS.HSF.IF.A.2

What is the domain of the graph?

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the graph?

• 1 ≤ x ≤ 5
• 1 < x < 5
• 1 ≤ y ≤ 5
• 1 < y < 5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

• -7x + 1
• 5x +1
• -5x -1
• 5x + 1

Tags

CCSS.HSF-BF.A.1B

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.1B

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

• x² + 8x + 1
• x² + 6x - 1
• 5x² + 8x - 1
• x² + 8x -1

Tags

CCSS.HSF-BF.A.1B

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

• 6x² + 4
• 18x² + 48x + 32
• 18x² + 32
• None of these.

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

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

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

• 19
• 23
• -10
• None of these.