You are buying a new internet service. The service costs \$75$75dollar sign, 75 per month. In the equation below, ddd is the tot
al number of dollars that you pay for your service, and ttt is the time (in months) that you keep the service.
The relationship between these two variables can be expressed by the following equation:
The relationship between these two variables can be expressed by the following equation:
1 answer:
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Answer:
1350
Step-by-step explanation:
use binomial general term expression for (r+1)th term
get the power of x in terms of r.
equate the expression to -2 and solve for r.
replace value of r and calculate the coefficient.
