Use substitution to determine whether the given ordered pair is a solution of the given equation.(4, 3); x2 + y2 = 25
A. Yes
B. No
Answer: A
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = sec-1
A. dy = -9x8sin
dx
B. dy = ex9x8sin
dx
C. dy = 9ex9x8sin
dx
D. dy = -9ex9x8sin
dx
Determine whether the argument is valid or invalid by using a truth table.p ? qp ? r----? ~ r ? q
A. 
The argument is valid.
B. 
The argument is invalid.
C. 
The argument is invalid.
D. 
The argument is invalid.
Given are the first three terms of a sequence that is either arithmetic or geometric. If the sequence is arithmetic, find a1 and d. If a sequence is geometric, find a1 and r.7, 10, 13, . . .
A. a1 = 7, d = 9 B. a1 = 7, d = -3 C. a1 = 7, d = 3 D. a1 = 7, r = 3
Use these sets to find the following. Identify any disjoint sets.Let U = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, M = {4, 6, 8, 10}, 
and 
(R ? N) ? M'
A. {4, 5, 7, 9, 11, 13} B. N, or {5, 7, 9, 11, 13} C. ?; M' and (R ? N) are disjoint sets. D. M, or {4, 6, 8, 10}