Determine whether the given expression is a polynomial. If it is, write it in standard form.9x - 
+ 12
A. Yes; 9x - 
+ 12
B. No
Answer: B
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Consider the situation. A political party holds a national convention with 1,100 delegates. At the convention, five persons (which we will call A, B, C, D, and E) have been nominated as the party's presidential candidate. After the speeches and hoopla, the delegates are asked to rank all five candidates according to his or her choice. However, before the vote, caucuses have narrowed the choices down to six different possibilities. The results of the first ballot are shown (choices, followed by the number of votes): (ADEBC) (BEDCA) (CBEDA) 350 250 200 (DCEBA) (EBDCA) (ECDBA) 180 70 50 ? How many possible rankings are there? ?
A. 240 B. 720 C. 120 D. 110 E. 24
Use the payoff matrix to determine the best strategy.A computer manufacturer must decide whether or not to market a new product. The new product may or may not be better than the old product. If they market the new product and it is better than the old product, their sales should increase. If they market the new product and it is not better, they will lose money to competitors. If they do not market the new product, they will lose to competitors if it is actually better and will lose just the research costs if it is not better. The manufacturer estimates that the payoff matrix is as follows: New Product BetterNot Better src="https://sciemce.com/media/4/ppg__tttt0625191052__f1q53g2.jpg" style="vertical-align: -15.0px;" />The manufacturer believes that the probability that the new product is better is 0.1. What is the best strategy?
A. Wait and see what the competitors do
B. Do not market the new product
C. Market the new product
Use a cubic or quartic regression (as specified) to fit a curve through the points given in the table. Round to the nearest hundredth.
(Cubic)
A. y ? -1.53x3 + 0.24x2 - 2.07x + 0.36 B. y ? -1.53x3 + 0.54x2 - 2.07x + 0.36 C. y ? -1.53x3 + 0.24x2 - 2.57x + 0.36 D. y ? -1.83x3 + 0.24x2 - 2.07x + 0.36
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7
A. x-intercept: (-7, 0), m: - 
B. x-intercept: (0, -7), m: 0
C. x-intercept: (0, 0), m: -7
D. x-intercept: (-7, 0), m: undefined