SOLUTION: Solve for x: 3^x = 4 Select an answer below a.log 4/3 b.log 4/3 c.log 4-log 3 d.ln 4/ln 3 Solve for x: 9^x+2 = 27 Select an answer below a.1 b.2/3 c.-1/2 d.-2

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Solve for x: 3^x = 4 Select an answer below a.log 4/3 b.log 4/3 c.log 4-log 3 d.ln 4/ln 3 Solve for x: 9^x+2 = 27 Select an answer below a.1 b.2/3 c.-1/2 d.-2       Log On


   

Question 114124: Solve for x: 3^x = 4
Select an answer below
a.log 4/3
b.log 4/3
c.log 4-log 3
d.ln 4/ln 3
Solve for x: 9^x+2 = 27
Select an answer below
a.1
b.2/3
c.-1/2
d.-2
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
a^x=y
log(a)y=x
3^x = 4
log(3)4=x
.
9^x+2 = 27
9^x=25
x=log(9)25
=log(10)25/log(10)9
=1.46497
Ed