Questions in Grade College

Questions in Grade College

[Answered] In a school's laboratory, students require 50.0 mL of [tex]$2.50 M H _2 SO _4$[/tex] for an experiment, but the only available stock solution of the acid has a concentration of 18.0 M. What volume of the stock solution would they use to make the required solution? Use [tex]$M_i V_i=M_i V_r$[/tex]. A. 0.900 mL B. 1.11 mL C. 6.94 mL D. 7.20 mL

[Answered] You have a 45/5 capacitor with +/- 6% range, and your readings are 42.4 and 4.65. What condition is the capacitor in? A. Bad HERM and good FAN B. Both sides are bad C. Good HERM and bad FAN D. Both sides are good

[Answered] What are the domain and range of [tex]f(x)=\left(\frac{1}{5}\right)^x[/tex]? A. The domain is all real numbers. The range is all real numbers. B. The domain is all real numbers. The range is all real numbers greater than zero. C. The domain is all real numbers greater than zero. The range is all real numbers. D. The domain is all real numbers greater than zero. The range is all real numbers greater than zero.

[Answered] Which of the following statements is true in regard to sketching the graph of a polynomial function? Choose the correct statement below. A. The y-intercept can be found by setting f(x) equal to zero and solving for x. B. The multiplicity of the real zeros can be used to determine the behavior of the graph at the x-intercepts. C. The x-intercept(s) can be found by finding f(0). D. The degree of the polynomial function can be used to determine the real zeros.

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

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

[Answered] 6. [tex]$\frac{1}{3} \div 1 \frac{3}{6}=[/tex] 7. [tex]$4 \frac{2}{4} \div 2 \frac{1}{3}=[/tex] 8. [tex]$1 \frac{3}{4} \div 2 \frac{1}{2}=[/tex] 9. [tex]$2 \frac{1}{7} \div 1 \frac{3}{4}=[/tex]

[Answered] Which of the following is the most important thing for a medication aide to know prior to performing an assigned task? A. How many residents will be taking nonprescription medications during her shift. B. The exact number of residents to whom she will need to administer medications. C. Whether the task assigned is within her scope of practice. D. The approximate amount of time it will take to administer medications on a shift.

[Answered] Which of the following is an even function? [tex]f(x)=|x|[/tex] [tex]f(x)=x^3-1[/tex] [tex]f(x)=-3 x[/tex] [tex]f(x)=\sqrt[3]{x}[/tex]

[Answered] By rounding to one significant figure, estimate the answers to these questions: a) $59 \div 25$ b) $\frac{682}{71}$ c) $\frac{91 \times 18}{58}$