The weight of a baby blue whale over the first 7 months of its life can be calculated using
,
where W is the weight, in tons, andT is the age, in months.A: Find a formula that expresses T as a function ofW.B: The length L, in feet, is given by
.
Use your answer from part A to find a formula that gives the length as a function of the weight.C: How long is a baby blue whale if its weight is 16.4 tons?
What will be an ideal response?
?
B: 
?
C: 42.87 feet
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Find the domain and range of the function.f(x) = -x2 - 12x - 43
A. Domain: (-?, ?); Range: (-?, 6] B. Domain: (-?, -7]; Range: [6, ?) C. Domain: (-?, ?); Range: (-?, -7] D. Domain: (-?, ?); Range: [7, ?)
Provide an appropriate response.The value of an investment of $3000 earning 7.25% compounded yearly is given by A = 3000(1.0725)t, where t is the number of years it has been invested. If the amount of your investment is now $10,000, how long has it been invested?
What will be an ideal response?
Graph the system of inequalities, and find the coordinates of the vertices.x + 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x| > -2
A. [-2, ?)
B. (-?, -2) ? (2, ?)
C. (-2, 2)
D. (-?, ?)