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) = 
x4(x2 - 3)
A. 0, multiplicity 4, crosses x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
B. 0, multiplicity 4, crosses x-axis
C. 0, multiplicity 4, touches x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
D. 0, multiplicity 4, touches x-axis
Answer: C
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Solve and check.-14 + n = 20
A. n = -6 B. n = 34 C. n = 6 D. n = -34
Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.-0.5x + 0.5y = 0.5-0.1x + 0.1y = 0.1
A. (20, 30) B. (3, 2) C. (2, 3) D. {(x, y)|-0.5x + 0.5y = 0.5}
Find the sum.-9 + 6
A. 15 B. -3 C. 3 D. -15
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = 2f(x)
A. 
B. 
C. 
D. 