card sharksmrnaylorswebplace.com/.../unit6/14cardsharksmidchaptertestrevie… · “think exponents...
TRANSCRIPT
Card Sharks
Get a Whiteboard
Turn in Yesterday’s Log Paper
MidChapter Log Test
Graphing
Identify the transformations applied to g(x)
Reflected: _____________
Shifted: _____________
3)2()( xxg
over x axis
up 3 units
Graphing
Identify the important places on g(x)
Horizontal Asymptote: __________
Y Intercept: __________
3)2()( xxg
y = 3
(0,2)
3)2()( xxg
Graphing The basic graph of
f(x) = (2)x is given.
Use this graph, along with your previous
answers to help sketch the graph of g(x).
y = 3
(0,2)
Solving Solve by using “matching bases.”
x = 3/2
123 55 xx
Solving Solve by using “matching bases.”
x = 1
xx 82 12
Form Write this exponential statement
as a logarithmic statement
log381=4
8134
Form Write this logarithmic statement
as a exponential statement
4-3 = 1/64
3log641
4
“think exponents” Evaluate each logarithm by
“thinking exponents.”
2
36log6
“think exponents” Evaluate each logarithm by
“thinking exponents.”
12
3
2 16log
Change of Base Formula
Use your calculator and the change of
base formula to find the missing exponent
5.19
3003 x
Condense Use properties of logarithms to condense
into a single logarithm
𝑙𝑜𝑔8
𝑥𝑦
yx loglog2log3
Expand Use properties of logarithms to expand
into three logarithms
𝑙𝑜𝑔43 + 2𝑙𝑜𝑔4𝑥 + 𝑙𝑜𝑔4𝑦
yx2
4 3log
Evaluate Use a combination of “wits” and properties
to evaluate.
X = 6
2
4 64log
Evaluate Use a combination of “wits” and properties
to evaluate.
X = 2
2log225log
Evaluate Use a combination of “wits” and properties
to evaluate.
X = 1
16log64log 44
Application If $50,000 gains 6% each year for 10 years.
Find the final value.
𝑦 = 50000(1 + .06)10
𝑦 = 50000(1.06)10
y = $89,542
xbay