Graphs
Growth/Decay
Geometric sequences
Written problems
Others
100
What is the function of this graph?
y=2(3)x
100
Is the function y=(5/4)x. Growth or Decay. Exponential, or linear.
Exponential Growth
100
an=2(-5)n-1. What is the fourth term
-250
100
274x+7=9-3x-2. What is the solution
0=0 no solution
100
A population is infested by a virus that kills 13% of the population per day, if the town had an original population of 20,543 people, how many people would be left after one week. Which equation matches this model? y=20543(.87)7
y=20543(.87)1
y=20543(.13)1
y=20543(.13)7
y=20543(.13)7
200
What is the function of the graph?
y=2(1/4)x
200
What type of function is y=5(1/3)x.
Exponential Decay
200
-8, -40, -200, -1000. What is the seventh term
-125,000
200
Ms. West wants to incest 7125 dollars in a savings account that offers 3.5% interest compounded quarterly. Equation: A=P(1+r/n)nt. What is the principle amount, what is the growth rate as a decimal, what is the n-value, what is the amount after 5 years?
1- 7125 dollars as the initial amount
2- The growth rate as a decimal is 0.35
3- The n-value equals 4
4- 10837.60 dollars after 5 years.
200
Which table below matches the following exponential function. Y=(1/2)x+2
a:
b:
c:
d:
c: