Questions in Grade College

Questions in Grade College

[Done] Which hormone triggers the kidneys to form more concentrated urine and prevent excess water loss? A. calcitonin B. oxytocin C. ADH D. PTH

[Done] Structuralists approached the study of the mind by doing what? A. asking people about the conflicts they experienced during their childhood B. exploring the reasons why people behave in particular ways C. recording the thoughts people had as they engaged with stimuli

[Done] A direct variation function contains the points $(-8,-6)$ and $(12,9)$. Which equation represents the function? A. $y=-\frac{4}{3} x$ B. $y=\frac{3}{4} x$ C. $y=\frac{3}{4} x$ D. $y=\frac{4}{3} x$

[Done] Select the correct answer. What represents the value of the second-best alternative that a person gives up when making a choice? A. marginal spending B. marginal benefit C. opportunity cost D. marginal cost

[Done] The function $N(t)=\frac{300}{1+299 e^{-0.36 t}}$ describes the spread of a rumor among a group of people in an enclosed space. $N$ represents the number of people who have heard the rumor, and $t$ is measured in minutes since the rumor was started. Which of the following statements are true? Check all that apply. A. There are 300 people in the enclosed space. B. Initially, only one person had heard the rumor. C. The rumor spreads at a constant rate of 0.36 people per minute. D. It will take 30 minutes for 100 people to hear the rumor.

[Done] Which best describes the meaning of the statement "If A, then B"? A. If A is false, then B might be false. B. If A is true, then B must be true. C. If A is false, then B must be false. D. If A is true, then B might be true.

[Done] Solve on the interval $[0,2 \pi)$. Hint: Factor! $2 \cos ^2 x+\cos x-1=0$ A. There are no solutions in the given interval. B. $\left\{0, \frac{2 \pi}{3}, \frac{4 \pi}{3}\right\}$ C. $\left\{\frac{\pi}{2}, \frac{5 \pi}{6}, \frac{7 \pi}{6}\right\}$ D. $\left\{\frac{\pi}{3}, \pi, \frac{5 \pi}{3}\right\}$ E. $\{0\}$ F. $\left\{\frac{\pi}{6}, \frac{3 \pi}{2}, \frac{11 \pi}{6}\right\}$

[Done] Solve the exponential equation for $x$. $216=6^{(4 x+11)}$ A. $x=2$ B. $x=-2$ C. $x=3$ D. $x=-3

[Done] Factor completely. $5 x^2-45$ A. $5(x+3)(x-3)$ B. $5\left(x^2-45\right)$ C. $(5 x+9)(x-5)$ D. $5(x-9)(x+9)$

[Done] A side-opening ISO container is loaded with 40 x 48 inch pallets. Which pallet unit number should you use?