Alg Review for Test 4

Which equation could represent the exponential function in the image shown?

• y=3(0.5)^x

• y=3(2)^x

• y=5(1.2)^x

• y=5(0.8)^x

Tags

CCSS.HSF.LE.A.2

What type of function does this table represent?

• Linear

• Exponential

• Neither

What is the equation for the function represented by the table shown?

• y = 4x + 1

• y = 4(3)^x

• y = 3(4)^x

• y = 3x + 4

Tags

CCSS.HSF.LE.A.2

What kind of relationship is shown in the table?

• Linear

• Exponential

• Neither

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766
• 9006
• 9765
• 5433

Tags

CCSS.HSF.BF.A.2

The value of a painting is $12,000 and increases by 8% of its value each year. Which formula could be used to find the painting's value, V, in t years?

• V = 12,000(1.8)^t

• V = 12,000(1.08)^t

• V = 12,000(0.8)^t

• V = 12,000(0.92)^t

Tags

CCSS.HSF.LE.A.2

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x

• y=5000(0.3)^x

• y=5000(1.3)^x

• y=5000(0.03)^x

Tags

CCSS.HSF.LE.A.2

Does the graph show a function?

• Function

• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Does the table shown represent a function?

• Yes, it's a function

• No, it's not a Function

Tags

CCSS.8.F.A.1