Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.-4 ? 1; identity
A. 4
B. 1
C. -1
D. -4
Answer: D
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Solve the problem.Find the perimeter of the triangle with vertices A(5, 4, 2), B(2, -2, 6), and 
.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 3
Change the following fraction to a percent.
?
?
A. 875% B. 87.5% C. 0.875% D. 56% E. 8.75%
Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
, x = 3
A. - 
B. 
C. 
D. 
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people became ill with this infection when the epidemic began?
A. 813 people B. 70 people C. 814 people D. 57,000 people