Find the largest open interval where the function is changing as requested.Increasing y = 7x - 5
A. (-5, 7)
B. (-?, 7)
C. (-5, ?)
D. (-?, ?)
Answer: D
Mathematics
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Find the most general antiderivative.
dy
A. 6 sin-1 y - ln |y| + C
B. 
- 
+ C
C. 6 sin-1 y + 7 ln |y| + C
D. 6 sin-1 y - 7 ln |y| + C
Mathematics
Solve the problem.How many liters of a 10% alcohol solution must be mixed with 70 liters of a 60% solution to get a 30% solution?
A. 175 L B. 10.5 L C. 105 L D. 17.5 L
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics
Determine whether the equation defines y as a function of x. x2 + 4y2 = 1
A. function B. not a function
Mathematics