Solve the problem.The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A = 9800e0.06t. When will the account be worth $14,915?
A. 8 years after the initial investment
B. 9 years after the initial investment
C. 6 years after the initial investment
D. 7 years after the initial investment
Answer: D
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The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
The total weight of the minimum spanning tree is
A. 68. B. 24. C. 125. D. 26. E. none of these
Provide an appropriate response.Simplify the following: 
Fill in the blank(s) with the appropriate word(s).
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D is all real numbers, R = 
;
f-1(x): D = 
, R is all real numbers
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = {x|x ? 2}, R = {y ? 0};
f-1(x): D = {x|x ? 0}, R = {y|y ? 2}
D. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
Write an inequality involving the variable x that describes the set of numbers graphed.
A. x > -6 B. x ? -6 C. x < -6 D. x ? -6