Multiply.(p + 7q)(p - 7q)
A. p2 - 14q2
B. p2 - 14pq - 49q2
C. p2 - 49q2
D. p2 + 14pq - 49q2
Answer: C
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Parametrize the surface S.S is the lower portion of the sphere x2 + y2 + z2 = 16 cut by the cone z = 
.
What will be an ideal response?
(2 + j13) + (6 - j8) =
a. 8 - j5 b. 8 + j5 c. 4 + j21 d. 4 - j21 e. 12 + j21
Solve the problem.Suppose that certain bacteria can double their size and divide every 30 minutes. Write a recursive sequence that describes this growth where each value of n represents a 30-minute interval. Let a1 = 426 represent the initial number of bacteria present.
A. a1 = 426; an = 
an-1 for n > 1.
B. a1 = 426; an = 2 an-1 for n > 1.
C. an = 2 a1 for all values of n.
D. a1 = 426; an = 2 an+1 for n > 1.
List all the elements of B that belong to the given set.B = {10, 
, -8, 0, 
, - 
, 5.6}Integers
A. {10, -8}
B. {10, 0, 
}
C. {10, 0}
D. {10, -8, 0}