Identify the degree and leading coefficient of the polynomial.f(x) = -15x5 - 8x4 + 7x3 + 12
A. Degree: -15; leading coefficient: 7
B. Degree: 13; leading coefficient: -15
C. Degree: 5; leading coefficient: -15
D. Degree: 4; leading coefficient: -15
Answer: C
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Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y = 
if the density of the wire is 
A. 
= 
?, 
= 
?
B. 
= 0, 
= 
?
C. 
= 0, 
= 
?
D. 
= 
?, 
= 
?
Find the area under the normal curve for the condition.Find the percent of the area under the curve between the mean and -0.83 standard deviations from the mean.
A. 79.7% B. 29.7% C. 29.4% D. 70.3%
Evaluate the function by using three terms of the appropriate Taylor series.(0.71)-1
A. 1.5179 B. 0.3741 C. 1.3741 D. -0.6259
Divide and write the answer in simplest form.-98 ÷ (-7)
A. 
B. -14
C. 14
D. 4