Function

 $Given𝑓(𝑥)=2𝑥−5\ \&\ 𝑔(𝑥)=3𝑥+4,solve\ for\ (𝑔○𝑓)(𝑥).$  

• 11 − 6x

•  $6𝑥^2−7𝑥−20$ 

• 6x-11

•  $6x^2−23𝑥−20$  

Given 𝑦 = 3𝑥 + 7, what is 𝑓(−2)?

• 1

• -1

• -13

• 13

It is a set of ordered pairs (𝑥, 𝑦) such that no two ordered pairs have the same x value but different y-values.

(a)  

 $What\ is\ the\ domain\ of\ the\ equation𝑦=3𝑥^2−4𝑥?$  

• {𝒙: 𝒙 ∈ 𝑹, 𝒙 < −𝟏}

•  {𝒙: 𝒙 ∈ 𝑹, 𝒙 ≠ 𝟏}

• c. {𝒙: 𝒙 ∈ 𝑹}

• d. {𝒙: 𝒙 ∈ 𝑹, 𝒙 ≥ 𝟒}

Given 𝑓(𝑥) = 2𝑥 − 5 & 𝑔(𝑥) = 3𝑥 + 4, find (𝑓●𝑔)(𝑥).

• $6𝑥^2+23𝑥−20$

  
  

• $6𝑥^2−23𝑥−20$

• $6𝑥^2−20$

• $6𝑥^2−7𝑥−20$

Give the range of the set of ordered pairs: (2, 11), (9, -3), (7, 21), (-8, 6)

• {2, 9, 7, -8}

• {11, -3, 21, 6}

• -8 < x < 9

• -3 < y < 21

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1

Does the graph show a function?

• Yes

• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Which set of ordered pairs is not a function?

• (1, 3), (2, 7), (3, 8), (4, 11)

• (2, 3), (4, 9), (3, 8), (4, 15)

• (1, 2), (3, 5), (6, 9), (7, 11)

• (-9, 4), (-6, 3), (-2, 8), (0, 21)

Tags

CCSS.8.F.A.1

For the function: f(x) = 7(x - 11), f (16) = _____

• 5

• 35

• 16

• 28

Tags

CCSS.HSF.IF.A.2

For the set of ordered pairs (x, f(x)): (2, 10), (4, 20), (7, 35), (11, 55), what is the function f(x)?

• f(x) = x + 8

• f(x) = 10x

• f(x) = 7x - 12

• f(x) = 5x

Tags

CCSS.HSF.IF.A.1

CCSS.8.F.A.1