STAAR Algebra I Practice Test 9

10 free STAAR Algebra I practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

STAAR Algebra I Practice Test 9Tutor mode

Question 1 of 10

Reporting Category 5: Exponential Functions and Equations

Four relationships are described. Classify each one.

Select the correct answer in each row.

	Exponential growth	Exponential decay	Linear
$x$ : 0, 1, 2, 3 and $y$ : 4, 12, 36, 108
A tank loses 8 gallons of water each hour.
$f (x) = 5 (\frac{4}{5})^{x}$
A town's population increases by 8% each year.

Select one option in each row.