A computer’s value declines about 7% yearly. Sally bought a computer for $800 in 2005. How much is it worth in 2009.

598

Step-by-step explanation:

800x0.93^4

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.

answer: it's upside down and i can't read it

step-by-step explanation: