Exploring Linear Functions and Their Models

What is the main focus of Unit 6 Lesson 5?

• Exponential functions

• Logarithmic functions

• Linear functions

• Quadratic functions

What is the initial height of the tree when Jay plants it?

• 3.5 feet

• 4.5 feet

• 6.5 feet

• 5.5 feet

How do you calculate the slope of a linear function?

• Sum of x and y

• Product of x and y

• Change in y divided by change in x

• Change in x divided by change in y

What does the slope of 1.25 feet per year represent in the context of the tree growth problem?

• The tree's height remains constant

• The tree's height increases by 1.25 feet each year

• The tree's height doubles each year

• The tree's height decreases by 1.25 feet each year

What is the predicted height of the tree after 20 years according to the model?

• 28.5 feet

• 29.5 feet

• 30.5 feet

• 31.5 feet

What is Layla's speed towards Chicago?

• 72 miles per hour

• 70 miles per hour

• 65 miles per hour

• 60 miles per hour

How far was Layla from Chicago when she started driving?

• 350 miles

• 400 miles

• 450 miles

• 500 miles

What is the charge per text in the cell phone company's texting plan?

• 8 cents

• 10 cents

• 12 cents

• 5 cents

What is the initial fee charged by the cell phone company?

• $7.75

• $5.75

• $4.75

• $6.75

What is the general form of a linear function?

• y = ax^2 + bx + c

• y = mx + b

• y = log(x)

• y = a^x