Show:
7.1-7.2
7.3-7.4
7.5
7.6
7.7-7.8
100

State Domain and Range of

F(X)5x

X: all real numbers

Y: (0,1)

100

write in exponential form


log8 512 = 3


8^3 = 512
100

Solve for n

LOGa 6n - 3 LOGa x = LOGa x

n = x^4/6
100
Use calculator to evaluate each expression

log 5 

.698...
100
Write an equivalent exponential or logarithmic function

e^x = 30 

loge (30) = x 
200
f(x) = 0.25(4)^x -6

X : All real numbers

y int. (0, - 23/4)

200

Evaluate each expression

log6 1/128

-7
200

SOlve for a

log4 a + log4 8 = log4 24

a = 3
200
evaluate each expression

log(21)

1.322....
200
write an equivalent exponential or logarithmic function 

e^3 = x 

LOGe (x) =3 
300
What is an exponential function?

An exponential growth function is a function of the form f(x) = b^2

300

evaluate each expression

log6 1

log base = 0
300
Solve each equation check your solutions. 

log3 56 - log3 n += log3 7 

n = 8 
300
log(.4)

-.387...

300
ln(x) = 42 
e^42 = x 
400

State domain range and solution


8^4x+2 = 64



Domain X : All real numbers

Y int : (0, 64)

Solution X = 0

400

write each equation in exponential form

log5 625 = 4

5^4 = 625
400
Solve each equation. 

5 log2X = log2 32 

x = 2 
400
evaluate each expression

log(.7)

-.154
400
write an equivalent exponential or logarithmic form 

ln 18 = x 

e^x = 18 
500

state domain y int and solution

216 = (1/6)^x+3

X : All real Numbers

y int = (0,1/216)

solution X = -6

500

solve each equation

log8 x = 4/3

x = 16
500

Solve each equation 

log10^a + log10 (a+21) = 2 
a = 4 
500
evaluate each logarithm in terms of common logarithms 

log3(7)

1.771
500
Solve for each equation or inequality 

e^x > 29 

x > ln(29)