Evaluate.4x2 - 9x + 2, for x = 2

A. -4
B. 0
C. -10
D. -8


Answer: B

Mathematics

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Solve the problem.Suppose we roll a regular six-sided die three times and note whether it lands as an even number (E) or an odd number (O) on each roll. Which of the following describes the sample space for this random experiment?

A. {3 E's, 2 O's and 1 E, 1 E and 2 O's, 3 O's} B. {EEE, EEO, OEO, OEE, EOO, EOE, OOE, OOO} C. {E, O} D. {EEE, OOO} E. none of these

Mathematics

Determine whether the function is one-to-one.f(x) = 4x2 + x

A. Yes B. No

Mathematics

?Sketch the graph of the function  using any extrema, intercepts, symmetry, and asymptotes. ?

A. ?


B. ?


C. ?


D. ?


E. ?


Mathematics

The chart shows the number of research articles in the prominent journal Physics Review that were written by researchers in Europe during 1983 - 2003 ( represents 1983).

?

?
Which of the following logistic functions best models the data? (?t is the number of years since 1983.) Try to determine the correct model without actually computing data points.
?
(A)
?
(B)
?
(C)
?
(D)
?
__________
?
According to the model you selected, at what percentage was the number of articles growing around 1984?
?
__________%

What will be an ideal response?

Mathematics