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Questions in Grade College

[Done] A scientist is conducting an experiment on two types of bacteria to determine which type will grow faster in a pool. After collecting data for two weeks, she finds that she can model the growth rates as follows: Bacteria 1: [tex]y=4^x[/tex] Bacteria 2: [tex]y=4 x^2[/tex] In these models, [tex]y[/tex] represents the number of bacteria colonies and [tex]x[/tex] represents the number of hours. Based on these models, which type of bacteria is growing faster? A. bacteria 1 B. bacteria 2

[Done] Solve $2 x+2>10$ A. $x<6$ B. $x>6$ C. $x<4$ D. $x>4$

[Done] Solve for $x$ in the equation $2 x^2-5 x+1=3$ A. $x=\frac{5}{2} \pm \frac{\sqrt{29}}{2}$ B. $x=\frac{5}{2} \pm \frac{\sqrt{41}}{4}$ C. $x=\frac{5}{4} \pm \frac{\sqrt{29}}{2}$ D. $x=\frac{5}{4} \pm \frac{\sqrt{41}}{4}$

[Done] If an interviewer asks you to talk about your strengths, and you say, "I have two strengths I would like to discuss," which part of impromptu speaking are you using? A) understanding your audience B) determining your topic and purpose C) structuring your ideas D) supporting your ideas

[Done] Two angles are supplementary. The first angle measures $60^{\circ}$. What's the measurement of the second angle? A) $180^{\circ}$ B) $30^{\circ}$ C) $120^{\circ}$ D) $90^{\circ}$

[Done] $f(x)$ is stretched horizontally by a factor of 2 and reflected across the $x$-axis. Which choice shows the correct representation of $f(x)$ after these transformations? A. $-f(\frac{1}{2} x)$ B. $f(-2 x)$ C. $f(-\frac{1}{2} x)$ D. $-f(2 x)$

[Done] A group of children, adults, and senior citizens attended three different art exhibits that have different ticket prices for each age group. Let c represent the number of children, a represent the number of adults, and s represent the number of senior citizens. The system represents the cost of each type of ticket and the total cost of the tickets for three exhibits. What are the numbers of children, adults, and seniors citizens that attended these three exhibits? [tex]\left\{\begin{array}{l} 6 c+7 a+2 s=990 \\ 3 c+3 a+4 s=530 \\ 2 c+4 a+4 s=480 \end{array}\right.[/tex] A. 120 children, 30 adults, and 30 senior citizens B. 20 children, 40 adults, and 70 senior citizens C. 100 children, 50 adults, and 5 senior citizens D. 100 children, 50 adults, and 20 senior citizens

[Done] XYZ Corporation invests $11,000 into 91-day treasury bills with an interest rate of 2.3%. If the broker charges a $20 commission, what is the yield? [tex]\begin{array}{c} \text { yield }=[?] % \\ \text { yield }=\frac{\text { amount invested (interest rate) }\left(\frac{\text { days invested }}{360 \text { days }}\right)}{\text { amount invested }\left(\frac{\text { days invested }}{360 \text { days }}\right)+\text { commission }} \end{array}[/tex]

[Done] The image of the point $(4,-2)$ under a rotation 180 degrees about the origin is: A. $(-4,-2)$ B. $(-2,4)$ C. $(-2,-4)$ D. $(-4,2)$

[Done] The following is an example of which logical fallacy: Everyone at work has face tattoos. I should also get a face tattoo. A. Bandwagon Fallacy B. Sentimental Appeal C. Erroneous Appeal to Authority D. Fallacy of Division