Section 3 Review Test-Algebra Nation

• -5n - 4

• 7n - 5

• 5n + 4

• 5n - 4

Tags

CCSS.HSF-BF.A.1B

f(x) = 3x - 4 and g(x) = 4x - 2. Find f(x) + g(x)

• (f+g)(x) = 7x + 2

• (f+g)(x) = -x + 6

• (f+g)(x) = 7x - 6

• (f+g)(x) = 7x - 2

Tags

CCSS.HSF-BF.A.1B

Simplify by combining like terms:

5a - 2b +3a + 4b

• 8a + 2b

• 2a + 2b + 4

• 8ab

• 4ab + 4

What is the value of f(–6) for the function f(x) = 5x-7?

• -37

• -18

• 23

• -23

Evaluate f(x) = x² for f(-8)

• 64

• -64

• -16

• 16

What is the value of f(0)?

• -2
• 2
• 4
• 0

Tags

CCSS.HSF.IF.A.2

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7
• -2
• -9
• -10

What is the interval of decrease?

• (negative infinity, -2)
• (-2, infinity)
• (2, infinity)
• (negative infinity, 2)

Is this point a max or min?

• max
• min