Solve the system of equations by the addition method.
A. (7, 0)
B. (-7, 0)
C. (0, 7)
D. (0, -7)
Answer: B
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Use the vertical line test to determine whether the relation is also a function. Then state the domain and range of the relation or function.
A. Function, D: (-?, ?), R: [-4, ?) B. Not a function, D: (-?, ?), R: [-4, ?)
Solve the problem.Candy and Delvis are riding bicycles in the same direction. Candy is traveling at the speed of 9 miles per hour, and Delvis is traveling at the speed of 11 miles per hour. In 4 hours what is the distance between them?
A. 9 miles B. 5 miles C. 8 miles D. 17 miles
Solve the problem.Why does logaa always equal 1 for any valid base a?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.How long will it take for prices in the economy to double at a 7% annual inflation rate? Round to the nearest hundredth when necessary.
A. 10.24 yr B. 23.45 yr C. 16.24 yr D. 9.01 yr