Algebra I RC 5 Released STAAR Questions

The graph shows the number of game consoles sold in millions since 2009. Based on this informations, which function best models the number of game consoles sold (in millions), x years since 2009?

Tags

CCSS.HSF.LE.A.2

• The domain is all real numbers greater than or equal to 4

• The range is all real numbers less than 0

• The domain is all real numbers less than or equal to 0

• The range is all real numbers

A part of an exponential function f is graphed on the grid. Which inequality best represents the domain of the part shown?

• x > 1

• y > 1

• x > -2

• y > -2

Tags

CCSS.HSF-IF.C.7E

• The initial number of whales in the North Atlantic Ocean

• The decay factor of the number of whales in the North Atlantic Ocean

• The number of whales in the North Atlantic Ocean at the end of the first year

• The growth factor of the number of whales in the North Atlantic Ocean

Tags

CCSS.HSF.LE.B.5

• increased
• decreased
• 30%
• 13 insects

Tags

CCSS.HSF-IF.C.8B

Researchers studied the population of a town over time.
The initial estimated population was 48,000
After the first year the population was 50,400

If this trend continues, which function could be used to model the population x years after the study began?

Answer explanation

You need the correct initial value for the a, and the b value needs to show growth.

Tags

CCSS.HSF.LE.A.2

This year the number of students who participated in sports was 317. Each year the number of students who participate in sports increases by 4%. Which function can be used to model the number of students participating in sports after x years?

Tags

CCSS.HSF.LE.A.2

Which function is best represented by the graph?

Answer explanation

In initial value of 1, and b shows exponential decay.

Tags

CCSS.HSF.LE.A.2

The table shows the value in dollars of a motorcycle at the end of x years. Which exponential function models the situation?

Tags

CCSS.HSF.LE.A.2

Which function best represents the relationship?

Tags

CCSS.HSF.LE.A.2