Find two positive real numbers whose product is a maximum. The sum is 140.
?
A. 90, 50
B. ?100, 40
C. ?70, ?70
D. ?80, 60
E. ?10, 130
Answer: C
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Information is often transmitted in code. Many codes involve writing products of large primes, because they are difficult to factor. To see how difficult, try finding two prime factors of 5,893. (Hint: Both primes are greater than 70.)
What will be an ideal response?
Name the conic or limiting form represented by the given equation.y2 - x2 - 12y + 12x - 36 = 0
A. Hyperbola B. Intersecting lines C. Ellipse D. Empty set
Find the relative extrema of the function and classify each as a maximum or minimum.f(x) = x3 - 9x2 + 5
A. Relative maximum: (0, 5) B. Relative maximum: (0, 5); relative minimum (6, -103) C. Relative maximum: (-3, 113); relative minimum (3, -49) D. Relative minimum: (0, 5); relative maximum: (6, -49)
Identify the set as finite or infinite.{2, 4, 6, 8, ...}
A. Infinite B. Finite