Identify the property illustrated by the statement.-4(7 + 8) = -4 ? 7 + (-4) ? 8
A. commutative property of multiplication
B. associative property of multiplication
C. distributive property
D. associative property of addition
Answer: C
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.-2 ? z ? -1
A. No set of points satisfies the given relation B. The slab between the planes z = -2 and z = -1 (including planes) C. The line from z = -2 to z = -1 D. All points between z = -2 and z = -1 in the x-y plane
Express as a sum of logarithms.ln 0.9b
A. ln 0.9 - ln b B. ln 0.9 + ln b C. ln(0.9 + b) D. ln 9 - ln b
Subtract. Write the answer in lowest terms as a mixed number.
A. 4
B. 5
C. 5
D. 6
Evaluate using integration by parts.
ln x dx
A. ln x - 
x2 + C
B. 
x2ln x - 
x2 + 5x + C
C. 
x2ln x - 
x2 + C
D. 
x2ln x - 
x2 - 5x + C