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Questions in Grade College

[Done] Which medication should be used with caution in patients with cardiovascular disease? A. Altace B. Cardura C. Lipitor D. Vyvanse

[Done] Select the correct answer. Consider functions [tex]$f$[/tex] and [tex]$g$[/tex]. [tex] \begin{array}{l} f(x)=\frac{1}{4} x^4-2 x^2+4 \\ g(x)=2 \sqrt{x-2} \end{array} [/tex] Using graphing, what is the approximate solution, or solutions, of [tex]$f(x)=g(x)$[/tex]? A. [tex]$x=2$[/tex] and [tex]$x \approx 2.5$[/tex] B. [tex]$x=0$[/tex] and [tex]$x \approx 1.5$[/tex] C. [tex]$x=0$[/tex] and [tex]$x \approx 0.6$[/tex] D. [tex]$x \approx 2.7$[/tex]

[Done] An Insurance agent claims that the average age of policy holders who insure through him is less than the average of all other agents, which is 30. A random sample of 100 policy holders who had insured through the agent gave the adjoining age distribution: Age: 16-20, 21-25, 26-30, 31-35, 36-40, 41-45, 46-50 Number of persons: 12, 16, 18, 20, 10, 10, 14 Test the claim that the average age is less than the figure for all the other agents at a 5% level of significance.

[Done] What was the major shift in psychology during the 1920s? A. Emphasis on observable behavior B. Focus on mental illness C. Emphasis on introspection D. Study of Dreams

[Done] The following table lists the temperature (in Fahrenheit, ${ }^{\circ} F$ ) and the number of chirps per second for the striped ground cricket. | Temperature ( x ) | Chirps per second (y) | |---------------------|-------------------------| | 88.6 | 20 | | 93.3 | 19.8 | | 80.6 | 17.1 | | 69.7 | 14.7 | | 69.4 | 15.4 | | 79.6 | 15 | After entering the data in $R$, what do you need to type to create an $x-y$ scatterplot? Fill the blank below. $\begin{array}{l} x<-c(88,6,93,3,80,6,69,7,69,4,79,6) \\ y<-c(20,19,8,17,1,14,7,15,4,15) \\ \text { cbind( } x, y \text { ) } \\ ( x, y ) \\ \end{array}$ correlation( $x, y$ ) boxplot(x, y) regression( $x, y$ ) $\operatorname{plot}(x, y)$

[Done] Which of the following bacteria will give positive results for the Coagulase test? A. S. epidermidis B. S. Prophyticus C. S. aureus D. S. hominis

[Done] For f(x)=√x and g(x) = x - 1, find the following. a. (f ∘ g)(x) b. (g ∘ f)(x) c. (f ∘ g)(5) What is (f ∘ g)(x)?

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Which function is a quadratic function? [tex]f(x)=2 x^2[/tex] [tex]g(x)=5 x^3[/tex] [tex]k(x)=-x[/tex] [tex]b(x)=-9 x^4[/tex]

[Done] Which of these blood vessels does not return blood into the right atrium? A. pulmonary trunk B. inferior vena cava C. superior vena cava D. coronary sinus