Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
A. domain: [0, 4]
range: (-?, ?)
B. domain: (-?, ?)
range: [0, 4]
C. domain: (-?, ?)
range: [3, 4]
D. domain: [3, 4]
range: (-?, ?)
Answer: B
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Use scientific notation to solve the problem.The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling at 2.9 x 103 miles per hour, to reach the sun?
A. 3.2 x 104 hr B. 3.2 hr C. 3.2 x 102 hr D. 3.2 x 103 hr
Solve the problem. Round to the nearest cent.The sales tax on a freezer is $34.52 and the sales tax rate is 8%. Find the purchase price (the price before taxes are added) and the total price paid.
A. $431.50, $466.02 B. $493.14, $527.66 C. $383.56, $418.08 D. $43.15, $77.67
Write the solution set in interval notation.x ? -8
A. 
B. 
C. 
D. 
Solve the problem.Jim has gotten scores of 62 and 91 on his first two tests. What score must he get on his third test to keep an average of 80 or better?
A. at least 77 B. at least 76.5 C. at least 87 D. at least 85