Determine if the relation is a function.This graph shows the speed of a car, in miles per hour (mph), at various times after a driver applies the brakes. 
A. Yes
B. No
Answer: A
Mathematics
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Write the number in decimal notation. ? - 5.718 × 10-3 ?
A. - 0.005718 B. 0.5718 C. - 0.05718 D. 0.005718 E. - 0.0005718
Mathematics
Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.Brett has saved $768 at the bank. He wants to save $3120 for a trip to Alaska. What percent of his goal has been reached?
A. 2.5% B. 41% C. 4.1% D. 24.6%
Mathematics
Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. - 
D. 
Mathematics
Simplify.11 + (-13) - (-15) - 8
A. 5 B. 21 C. -9 D. 17
Mathematics