7.1 Graphing Exponential Functions
The asymptote of f(x)=0.8x
What is y=0 or x-axis?
Solve the exponential equation:
729=3^x
x=6
(3e4x)3.
What is 27e12x?
The missing term in the geometric sequence.
64,96,144,216,_____.
What is 324?
The type of regression function for a plant that grows 2 inches every week.
What is a linear function?
The y-intercept of f(x)=3x.
What is 1?
Solve the exponential equation:
5^(2x+2)=625
x = 1
(-39e7)/(13e2).
What is -3e5?
The first five terms of the geometric sequence for which a1=3 and r=-2.
What are 3,-6,12,-24,48?
True or False.
A regression function with an r2 value of 0.2 is strong.
What is False?
The transformation from f(x)=2x to g(x)=2x-5.
What is down 5 units?
Solve the exponential equation:
9^(x+2)=27^x
x = 4
Solve for x
1=e3x
What is 0?
Write the reclusive form of the following geometric sequence.
0.8, 1.6, 3.2, 6.4
What is an=2an-1?
The type of regression function for the growth of a colony of bacteria.
What is exponential function?
The transformation from f(x)=3x to g(x)=3-x.
What is a reflection across the y-axis?
Solve the exponential equation:
4^(x+1)=1/64
x = -4
Sophia invested $12,750 in a company. Her investment has been growing continuously at an annual rate of 5.5%
The function that represents the situation, where A is the value of Sophia's investment after t years.
What is A=12,750e0.055t?
Find an.
a1=5, r=2, n=6
What is an=160?
The purpose of regression functions.
What is to interpret or predict values based on data?
A function P(t) to model the bacteria growth population after t days, given that the initial population was 20,000 and the population after 1 day was 30,000.
What is P(t) = 20,000 (1.5)t?
Solve the exponential equation:
6^(-6x+6)=(1/216)^(x+1)
x = -3
Solve the equation using your calculator.
-3ex+1=4ex+2-5
What is x=-1.69?
Rewrite the following equation in explicit form.
a1=-1, an=0.5an-1, n is greater than or equal to 2.
What is an= -(0.5)n-1?
The r2 value and strength of a regression function with an R-value of 0.985.
What is 0.97 and strong?