Warm Up 4.3

Which equation has a solution of 4 for n?

• -3n = 12

• 7 - n = 11

• n - 6 = -2

• 2.5n = 5

Tags

CCSS.6.EE.B.5

Which equation is true if x= -5?

• 7 - x = 2

• 3x = -15

• -2 + x = -3

• -2.5x = 10

Tags

CCSS.6.EE.B.5

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

• -1

• 1

• 5

• -5

Tags

CCSS.HSF.IF.A.2

f(x-2)

• 2x² - 13x + 18

• 2x² - 5x + 18

• 2x² - 8x + 3

• 2x² - 13x + 2

Tags

CCSS.HSF.IF.A.2

g(x)=3x+4
h(x)=3x-1
Find (g∘h)(x)

• -9x+11
• 4x²+4x
• 9x+1
• 9x+11

Tags

CCSS.HSF-BF.A.1C

• 6x² - 1
• 6x - 3
• 5x - 1
• 6x² - 3x

Tags

CCSS.HSF-BF.A.1C

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

f(n)=2n+1
g(n)=3n
Find f(n)+g(n)

• 5n+1
• -5n+1
• -2n+1
• -6n-1

Tags

CCSS.HSF-BF.A.1B

f(n) = x² + 1

g(n) = 2x - 5

Find f(n) - g(n)

• x² - 2x + 6

• -x² + 2x + 4

• -x² - 2x - 6

• x² - 2x - 4

Tags

CCSS.HSF-BF.A.1B

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of g(f(-2)).

• -14
• 20
• 6
• 7

Tags

CCSS.HSF-BF.A.1C