Determine whether the equation defines y as a function of x.xy = -1
A. Yes
B. No
Answer: A
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Graph the function defined by a radical expression.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.The following table shows the population (in thousands) of Anytown, USA. YEAR POPULATION 1950 120 1960 100 1970 90 1980 105 1990 130 2000 160Use a graphing calculator to fit a quadratic function f(x) to the data. Use this equation to predict the population in the year 2010.
A. 190,000 B. 213,000 C. 2,093,000 D. 195,000
Name the property illustrated by the statement.x ? y = y ? x
A. commutative property of multiplication B. inverse property of multiplication C. distributive property D. associative property of multiplication
Solve the problem.For what values of h are the given vectors linearly dependent? 
, 
, 
, 
A. Vectors are linearly independent for all h
B.
| Vectors are linearly dependent for h = -2 |
C. Vectors are linearly dependent for h ? -2
D. Vectors are linearly dependent for all h