Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 
A. continuous for all real numbers except x = 4
B. continuous for all real numbers
C. continuous for all real numbers except x = 2, x = 4
D. continuous for all real numbers except x = 2
Answer: B
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Find the mistake, then find the correct answer.
= 
= 
= 
= 0
What will be an ideal response?
Use a system of linear equations to solve the problem.Molly is training for a biathlon. Each weekend she bicycles and runs to prepare for the race. She cycles at a rate of 12 mph and runs at a rate of 5 mph. If she spends 6.5 hours bicycling and running and covers a total of 57 miles, how much time did she spend on each?
A. Bicycling: 3.5 hr, Running: 5 hr B. Bicycling: 3.5 hr, Running: 3 hr C. Bicycling: 4.5 hr, Running: 3 hr D. Bicycling: 3 hr, Running: 3.5 hr
Find the quotient. If the quotient is an improper fraction, express it as a mixed number.5
÷ 3
A. 1
B. 1
C. 2
D. 1
Divide using synthetic division.
A. 9x2 + 18x + 21
B. 9x2 + 18x + 21 - 
C. 9x2 - 18x + 21
D. 9x2 + 6x + 5 + 