Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(x2 - 3)1/2 - (x + 3)1/2 = 0
A. {-3, 3}
B. {-3}
C. {2, 3}
D. {-2, 3}
Answer: D
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An animal grows according to the formula
.
Here L is the length of the animal in feet, and T is the age in years.
?
A: What is the length of a 5.01-year-old animal? Round your answer to two decimal places if necessary.B: Make a graph of length versus age. Include ages up to 20 years.C: Explain in practical terms what the concavity of the graph from part B means.
?
What will be an ideal response?
Convert the units using unit fractions.14 lb = 
oz
A. 
B. 196
C. 224
D. 140
Write the first four terms of the sequence.an = 
A. a1 = 
, a2 = 
, a3 = 
, a4 = 
B. a1 = 
, a2 = 
, a3 = 
, a4 = 
C. a1 = 1, a2 = 
, a3 = 
, a4 = 
D. a1 = 
, a2 = 
, a3 = 
, a4 = 
Evaluate 
for the given x and function f.f(x) = 2x2 + 5 for x = 4
A. 21 B. 32 C. 16 D. Does not exist