log2x/y
log2x - log2y
logx + logy
log(xy)
log17(-2x-1)=log1717
-9
The population of foxes in a particular national park is modeled by equation, y = 215(0.94)x, starting in 2004. What does 215 represent?
The initial population of foxes in 2004.
Label the following equation as growth or decay.
y = 3(2.5)x
Growth
log6(xy3)
log6x + 3log6y
log23 + 4log2y
log23y4
7+log3(-x) = 11
-81
The population of foxes in a particular national park is modeled by equation, y = 215(0.94)x, starting in 2004. What does 0.94 represent?
A 6% population decrease.
Find the average rate of change using the following two coordinates.
(0, 2000)(5, 1200)
-160
log5(uv3)4
4log5u + 12log5v
5lnx - 12lny
ln(x5/y12)
16-2x+2 = 8x-2
14/11 or 1.27
Maverick has a baseball collection valued at $525. The value increases by 1.2% annually. Create an equation that represents the value, y, of the collection after t years.
y = 525(1.012)t
Describe the transformations of the following equation.
y = 2x-5 +3
Right 5, up 3
log4(34/7)6
24log43 - 6log47
9log5x + 3log5y + 3log5z
log5(x9y3z3)
206n+7 + 2 = 87
-0.92
$1500 is invested into an account that earns 5% interest compounded continuously. Find the balance after 3 years.
$1742.75
Find the domain and range of the following equation.
y = 3x-1 - 2
Domain = All real numbers
Range = y > -2
log3((zx)6/y)2
12log3z +12log3x - 2log3y
log9x + 5log9y - 6log9z
log9((xy5)/z6)
-7log(6-3n) = -7
-4/3 or -1.33
$2000 is invested into an account that earns 5% interest compounded quarterly. Find the balance after 3 years.
$2321.51
The following table represents the temperature of soup, y, x minutes after cooked.
x y
0 210
5 200
10 182
Write the equation that represents the model and find how it takes for the soup to cool to 120 degrees.
y = 211.60(.99)x and 55.93 minutes.