Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(16x8y4)1/2
A. 4x4y
B. 4x4y2
C. x4y2
D. 4x8y2
Answer: B
Mathematics
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Solve the problem.Pizzicato Pizza, Inc. finds that the cost to make x pizzas (with one topping) is 
while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of pizzas, x, that must be sold for the company to show a profit?
A. 140 B. 182 C. 40,171 D. 30,719
Mathematics
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Determine if the relation is a function. Assume x is the independent variable.y = 
+ 1
A. Yes B. No
Mathematics
Evaluate the function requested. Write your answer as a fraction in lowest terms.Find cos ?.
A. 
B. 
C. 
D. 
Mathematics