Determine whether the equation defines y as a function of x. y2 + x = 5
A. function
B. not a function
Answer: B
Mathematics
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Write the word phrase as an algebraic expression. Use x to represent the unknown number.The sum of a number and 149
A. x + 149 B. x - 149 C. 149x D. 149
Mathematics
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 20 intersect the graph?
A. three times B. once C. does not intersect D. twice
Mathematics
Solve the problem.Suppose that you walk 10 mi. Express this distance in yards.
A. 1000 yd B. 10,000 yd C. 1760 yd D. 17,600 yd
Mathematics
Solve the problem. Round money amounts to the nearest cent.Lisa wants to buy a piece of nylon cord that measures 447 cm. The price is $3.17 per meter. How much will Lisa have to pay?
A. $7.09 B. $12.83 C. $14.17 D. $12.68
Mathematics