Evaluate
Linear or Exponential?
Write a function/sequence
Evaluate functions/sequences
Random
100
(1/2)^-3
What is 8
100
The following graph shows this type of function
What is exponential
100
Billy invests $400 in a savings account which pays 5% annually. Write a function for the value of his account after x years.
What is y=400*(1.05)^x
100
A population of 2000 fish increases at an annual rate of 7.5%. How many fish will there be in 10 years?
What is 2000(1.075)^10 4122 fish
100
True or False
A geometric function is a discrete exponential function
What is true
200
(1/2)^3
What is (1/8)
200
LEFT IS ________, RIGHT IS ____________
WHAT IS LEFT: LINEAR, RIGHT: EXPONENTIAL
200
Jerry has $5.25 and adds 25 cents to his piggy bank every day. Write a function for the value of his piggy bank after x days.
y=5.25+0.25x
200
The 5th term of a sequence which has an initial value of 25 and a common ratio of -2.
What is 25*(-2)^4 = 400
200
Simplify
(24x^2y^6)/(48x^5y^0)
What is y^6/(2x^3)
300
5*(1/5)^2
What is (1/5)
300
Randy starts a savings account with $500 and a 5% annual rate
What is exponential
300
Men's marathon times, in hours, are modeled by the formula y=2.61(0.997)^x. where x is the years since 1908. a. Does the exponential function represent growth or decay? b. What was the marathon time in 1908?
a. decay b. 2.61 hours.
300
The starting salary at a company is $30,000 per year. The company automatically gives a raise of 3.5% per year. What is the salary the 4th year? (hint: how much would be made after 1 year?)
30000(1.035)^4-1= $33,261.54
300
The equation for the blue line that shows the reflection over the y-axis with a positive exponent
what is 1/2^x
400
(1/3)* 5^0
What is 1/3
400
Jerry has $5.25 and adds 25 cents to his piggy bank every day.
What is linear
400
25,5,1,.2. Write an explicit formula for this sequence.
What is f(x)=25(1/5)^(x-1)
400
The cost of a Mustang convertible in 2019 after it was purchased in 2013, for $27,200 and the annual depreciation rate is 12%
What is 27200(.88)^6 $12,631.79
400
The section of the graph that the line does not cross but approaches
What is an asymptote
500
(1/3)* 3^-2
What is (1/27)
500
The following shows this type of fu
nction
What is exponential specifically geometric
500
Write an explicit formula for the sequence: 1/81, 1/27, 1/9, 1/3,...
an=(1/9)*3^n-1
500
The amount of worms after 2 hours if there are 150 worms on the sidewalk and the number grows 10% every 20 minutes
150(1.10)^6= 266 worms
500
I am treated as an reciprocal when I need to turn positive
What is a negative exponent