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(x2 + 5)(x + 4)2
A. -4, multiplicity 2, touches x-axis
B. -4, multiplicity 2, crosses x-axis
C. -5, multiplicity 1, crosses x-axis; -4, multiplicity 2, touches x-axis
D. -5, multiplicity 1, touches x-axis; -4, multiplicity 2, crosses x-axis
Answer: A
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Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find sin B when b = 5 and c = 6.
A. 
B. 
C. 
D. 
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