Use the vertical line test to determine whether y is a function of x.
A. No
B. Yes
Answer: B
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Solve.The area of a square with a side of length x is given by the function 
The area of a circle with a radius equal to the length of the side of the square is given by the function 
Determine a function h that gives the total area of the two geometric figures.
A. h(x) = ?x4 B. h(x) = 2x2 C. h(x) = (? + 1)x4 D. h(x) = (? + 1)x2
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. x11/5
C. x22/7
D. 
Find the general term of the arithmetic sequence.6.9, 7.7, 8.5, 9.3, 10.1, . . .
A. an = 0.8n + 5.9 B. an = 0.8n + 6.1 C. an = 0.8n + 6.9 D. an = 0.7n + 6.1
Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
2
A. 
B. 
C. 
D. 