Decide if the given ordered pair is a solution to the inequality.x + y > 4: (4, 2)
A. Yes
B. No
Answer: A
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Use the total differential dz to approximate the change in z as (x, y) moves from P to Q. Then use a calculator to find the corresponding exact change ?z (to the accuracy of your calculator).4x3y2; P(1, 1), Q(1.01, 0.99)
A. dz = 0.04; ?z = 0.0381920404 B. dz = 0.04; ?z = 0.0391920404 C. dz = 0.03; ?z = 0.0391920404 D. dz = 0.04; ?z = 0.0416920404
Solve the problem.Find the length of the curve y = 
- 
ln x, 2 ? x ? 4.
A. 3 + 
B. 3 + ln 2
C. 
D. 2 + ln 3
Which property does the expression represent?5 + (2 + 8) = (5 + 2) + 8
A. Commutative Property of Addition B. Associative Property of Addition C. Identity of Multiplication D. Identity of Addition
Suppose that P is the endpoint of a segment PQ and M is the midpoint of PQ. Find the coordinates of endpoint Q.P(2, 8), M
A. Q
B. Q
C. Q(-9, 6)
D. Q