Exponential Functions

Quiz
•
Mathematics
•
8th Grade
•
Medium
+12
Standards-aligned

Susanne Bobzin
Used 191+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The diagram shows the function f(x) = 3x + 2. How could you name an ordered pair of this function.
Option 1: Plug the function into the calculator and look at the table.
Option 2: Randomly write down your favorite numbers.
Option 3: Plug in zero for x, which gives an y output of 3 (1+2) for the point (0, 3)
Option 1 and 3
None of the above
Tags
CCSS.HSF-IF.C.7E
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is it about the equation y = 2(9/7)x that indicates that it is a model for exponential growth?
The equation is growth because 2 is positive.
The equation is growth because the factor is positive.
The equation is growth because the factor is greater than one.
The equation is growth because the exponent is always positive.
Tags
CCSS.HSF-IF.C.8B
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Consider the equation y=200(1.08)x which models the increase in value of an autographed Annie program. Let y = the value of the item, let x = the number of years since the performance. What does the 1.08 in the equation indicate?
The value of the item is increasing by $1.08 each year.
The value of the item is increasing by 1.08% each year.
The value of the item will increase to $200 1.08 years after purchase.
The value of the item is increasing by 8% each year.
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is an asymptote?
A special bag used by hikers and athletes to carry valuables.
an imaginary vertical line that helps define the reflection of a graph.
an imaginary horizontal line that helps define where the graph will approach, but never reach.
another term for vertical intercept.
Tags
CCSS.HSF-IF.C.7D
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How can you find the vertical intercept of a graph?
Option 1: Enter the function into the calculator and look for the value of y where x is zero.
Option 2: Plug in zero for x (easy mental math because anything raised to the zero power is one) and calculate y.
Option 3: Use the trace feature on the calculator.
Options 1, 2, 3
None of the Above.
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If you were asked to write an exponential function with an asymptote of y = - 2, what must you include in your equation?
Subtract 2 from any exponential expression. Ex. y = (4)x - 2
Add 2 to any exponential expression. Ex. y = (4)x + 2
Raise the expression to the power of -2. Ex. y = x -2
Subtract .02 from 1 to get a decay factor. Ex. y = (1 - .02)x
Tags
CCSS.HSF-IF.C.7E
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A population of mutant venus fly trap plants are taking over an island in the South Pacific, capturing everything from insects to small rodents. When they were first discovered they covered 4 square kilometers. As the population grows, the plants spread and cover more land. Use the table to write an equation.
y=4(4)x
y=4(2.68)x
y=4(1+1.67)x
y=4(1.67)x
Tags
CCSS.HSF.LE.A.2
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