Suzie's Plumbing uses a linear model to determine the total cost, in dollars, of a service call.
1 answer:
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Answer:
1) x=0.465
2) option A.
Step-by-step explanation:
1) The given equation is:
We rewrite this as logarithm to get:
The change of base formula is:
We apply the change of base formula on the RHS to get:
Group similar terms:
2)
From the graph, the logarithmic function approaches negative infinity as x approaches -6.
Therefore the vertical asymptote is x=-6
The graph touches the x-axis at x=-5, therefore the x-intercept is x=-5.
The correct answer is A.
answer:
1 : 2.5
explanation:
given ratio: 12 : 30
divide by 12:
:
- 1 : 2.5
n = 2.5