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) = 2(x - 7)(x - 2)3
A. -7, multiplicity 1, touches x-axis; -2, multiplicity 3
B. 7, multiplicity 1, crosses x-axis; 2, multiplicity 3, crosses x-axis
C. -7, multiplicity 1, crosses x-axis; -2, multiplicity 3, crosses x-axis
D. 7, multiplicity 1, touches x-axis; 2, multiplicity 3
Answer: B
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Solve and write interval notation for the solution set.?x? ? 10
A. (-?, -10] ? [10, ?) B. (-?, -10] C. (-?, 10] D. [-10, 10]
Solve the initial value problem.
= - 
cos 
?, r(0) = -5
A. r = -sin 
? - 5
B. r = - 
sin 
? - 5
C. r = sin 
? - 5
D. r = cos 
? - 6
Use the given feasible region determined by the constraint inequalities to find the minimum possible value of the objective function.f = 7x + 6y subject to the constraints 
A. 385 B. 0 C. 275 D. 231
Express as a single logarithm and, if possible, simplify.
ln 4y6 - 
ln 2m15
A. ln 
B. 8 ln (ym90)
C. 
ln (8 ym90)
D. ln 