For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
2(x2 + 6)3
A. - 
, multiplicity 2, touches x-axis; -6, multiplicity 3, crosses x-axis
B. - 
, multiplicity 2, touches x-axis
C. - 
, multiplicity 2, crosses x-axis
D. 
, multiplicity 2, touches x-axis; 6, multiplicity 3, crosses x-axis
Answer: B
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Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.cot ? = 1.7009187
A. 36.0093720° B. 53.9906280° C. 30.4520188° D. 59.5479812°
Write the phrase as a mathematical expression. Use x as the variable.6 times some number
A. 
B. 6 + x
C. 6 - x
D. 6x
Solve the problem.A satellite dish has a parabolic cross section and is 10 ft deep. The focus is 16 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 53 ft B. 55 ft C. 59 ft D. 51 ft
Use synthetic division to divide.(4x3 - 22x2 + 16x - 30) ÷ (x - 5)
A. 4x2 - 2x + 6
B. 
x2 + 
x + 
C. 4x - 2
D. -4x2 + 5x + 6