Unit 4: Quiz 2

𝑥 < –3

• Positive

• Negative

• Increasing

• Decreasing

What is the minimum?

(Put answer as an ordered pair without spaces)

Example: (x,y)

(a)  

Tags

CCSS.HSF-IF.C.7D

Oscar took the train to attend his friend’s birthday. This graph represents his trip.

Determine Oscar’s average rate of change from 1. 25 to 3. 75 hours.

(a)  

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A local mechanic sells a tire replacement service where they can replace up to 4 tires. The total cost is $50 for labor plus an additional $100 for each tire. The function 𝑟(𝑡) = 50 + 100𝑡 represents the total cost of service for 𝑡 tires.

Select all the numbers that are in the domain of 𝑟(𝑡).

• -2

• 0

• 1

• 4

• 100

The Range of this function is:

–3 ≤ 𝑥 ≤ 4

• True
• False

The Domain of this function is:

–3 ≤ 𝑔(𝑥) ≤ 7

• True
• False

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5