6.1 Exp Growth/decay
evaluate when x = -2
3/2
Simplify
e^8
Rewrite in exponential form
7^3 = 343
Condense:
1
Solve for x:
-1
Tell whether the following is exponential growth or decay:
Decay
Simplify
1/2e
Rewrite in log form
log_5(1/25)=-2
Expand:
log_3(4) +log_3(x)
Solve for x:
Find the % increase or decrease:
80% increase
Simplify
e^(-5x+8)
Evaluate the log:
Expand:
Solve for x:
10
$3982.92
Tell whether the following is growth/decay and sketch a graph
Growth
Find the inverse function:
log_11(x) = y
Condense:
Solve for x:
ln(6)/2
y = 325(.71)^t
How money is in an account that pays 5% interest that is compounded continuously after 4 years if you deposit $200?
$244.28
Find the inverse function:
10^(x-13) = y
Expand:
Solve for x check for extraneous solutions
x=4