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) = 
x(x2 - 3)
A. 
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
B. 0, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
C. 0, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
D. 0, multiplicity 1
Answer: C
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Multiply. Assume that no radicands were formed by raising negative numbers to even powers.
(
+ 
)
A. 
+ 
B. 15
C. 5 + 
D. 
+ 
Find 
.y = -sin-1 (5x2 + 4)
A. 
B. 
C. 
D. 
Provide an appropriate response.To which of the following sets does - 
belong: natural numbers, whole numbers, integers, rational numbers, irrational numbers, real numbers?
A. Irrational numbers, real numbers B. Irrational numbers, natural numbers C. Rational numbers, natural numbers D. Rational numbers, real numbers
Perform the indicated arithmetic.20
- 5
A. 14
B. 15
C. 14
D. 15