DE College Algebra Final Review

Evaluate f(-2) if f(x) = x²+ 3.

• -1
• 1
• 7
• -7

Tags

CCSS.HSF.IF.A.2

If f(x) = 5x and g(x) = 2x-1,

what is the composition f(g(x)) ?

• 10x-1

• 10x-5

• 5x²-1

• 5x²-5

Tags

CCSS.HSF-BF.A.1C

• 7
• 6
• 11
• None of the Above

Tags

CCSS.HSF-BF.A.1C

Find f(0)

• -3

• 18

• 4

• 0

Tags

CCSS.HSF.IF.A.2

Name the discontinuity at x=2. 

• Infinite Discontinuity
• Removable Discontinuity
• Jump Discontinuity
• Continuous at x=2

Tags

CCSS.HSF-IF.C.7B

What is the domain of the function?

• (3, ∞)
• [-3, ∞)
• (-∞, 4]
• (-∞, 4)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range?

• (-3, 3)
• [-4, 5)
• [-4 , 5]
• (-3 , 3]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Factor:
x² + 7x - 30

• (x + 10)(x - 7)
• (x - 10)(x + 3)
• (x + 10)(x + 3)
• (x + 10)(x - 3)

Factor
9x²-6x-8

• (3x+2)(3x-4)
• (3x+2)(3x+4)
• (3x-2)(3x-4)
• (x-1)(9x+8)

List all possible rational zeros
f(x) = 3x⁵-5x²+x+6

• 1, 2, 3, 6, -1, -2, -3, -6
• 1/3,2/3,1,2,3,6,-1/3,-2/3,-1,-2,-3,-6
• 1/3,2/3,1,2,3,6