Determine the real zeros of the polynomial and their multiplicities. Then decide whether the graph touches or crosses the x-axis at each zero.f(x) = 5(x + 6)(x + 1)4
A. -6, multiplicity 1, touches x-axis; -1, multiplicity 4, crosses x-axis
B. 6, multiplicity 1, crosses x-axis; 1, multiplicity 4, touches x-axis
C. -6, multiplicity 1, crosses x-axis; -1, multiplicity 4, touches x-axis
D. 6, multiplicity 1, touches x-axis; 1, multiplicity 4, crosses x-axis
Answer: C
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the x-axis and the semicircle y = 
A. 
= 0, 
= 
B. 
= 
, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= 0
Solve the problem.The population in a particular country is growing at the rate of 1.9% per year. If 7,638,000 people lived there in 1999, how many will there be in the year 2003? Use 
and round to the nearest 
A. 9,070,000 B. 8,240,000 C. 8,080,000 D. 9,890,000
List the terms of the expression.8a + 11b - 20
A. 8, 11, -20 B. 8a, 11b, -20 C. a, b D. a, b, -20
Solve the equation for x. (Round your answer to three decimal places.)
?
?
A. x = -0.543 B. ?x = 12.618 C. x = -12.618 D. ?x = 0.543 E. ?x = 23.236