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D.

Step-by-step explanation:

y is the dependent variable is the amount of money she earns, which depend on x which is the indipendent variable, the number of dogs she walks.

so you’ll have y = 10x

x is the ind. variable, which is the number of dogs She walks.

y is the dep., which is the money she earns.

i just took the test, the correct answer is .. 31.5 in.

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.