Questions in Grade College

Questions in Grade College

[Answered] Solve the equation using the quadratic formula. [tex]x^2+13 x+7=0[/tex] The solution set is { }. (Simplify your answer. Type an exact answer, using radicals and [tex]i[/tex] as needed. Use integers or fractions for any numbers in the expression.)

[Answered] Calculate the total cost for attending a conference if registration is $400, and the employee needs hotel, rental car, per diem, parking, and coverage for 4 days. | Expense | Cost per day | | :---------- | :----------- | | Hotel | $230 | | Rental Car | $110 | | Per Diem | $55 | | Parking | $40 | | Coverage | $400 |

[Answered] For [tex]f(x)=4 x+1[/tex] and [tex]g(x)=x^2-5[/tex], find [tex]\left(\frac{f}{g}\right)(x)[/tex] A. [tex]\frac{4 x+1}{x^2-5}[/tex] B. [tex]\frac{x^2-5}{4 x+1}[/tex] C. [tex]\frac{x^2-5}{4 x+1}, x \neq-\frac{1}{4}[/tex] D. [tex]\frac{4 x+1}{x^2-5}, x \neq \pm \sqrt{5}[/tex]

[Answered] When $1,250^{\frac{3}{4}}$ is written in its simplest radical form, which value remains under the radical? A. 2 B. 5 C. 6 D. 8

[Answered] What do you do if you see the evaporator coil covered with dirt, hair, or matted with foreign material? A. Clean the coils as best you can and move on. B. Run away. C. Ignore it and finish the job. D. Inspect the filters and recommend changing the filters and quote a deep coil clean.

[Answered] Complete the following multiplication and division calculations involving fractions (show all the steps). 1. [tex]$\frac{4}{6} \div \frac{3}{12}$[/tex] 2. [tex]$\frac{7}{9} \times \frac{4}{28}$[/tex] 3. [tex]$4 \frac{1}{6} \times 6 \frac{2}{5}$[/tex] 4. [tex]$\frac{3}{17}+6$[/tex]

[Answered] Which of the following are true statements? Check all that apply. A. [tex]$\log M-\log N=\log (M-N)$[/tex] B. [tex]$\log \left(\frac{M}{N}\right)=\log M-\log N$[/tex] C. [tex]$\log M+\log N=\log (M N)$[/tex] D. [tex]$\log \left(\frac{M}{N}\right)=\frac{\log M}{\log N}$[/tex]

[Answered] Which of the following is a true statement regarding the opt-out notice? A. After receiving an opt-out request from a consumer, a business may still sell their personal information. B. A consumers can only opt out of having their personal information sold within six months after establishing an account with a business. C. A business does not have to include a description of a consumer's right to opt out on its Internet homepage, because it is optional. D. The personal information collected from a consumer in connection with the submission of their opt-out request can only be used for complying with the opt-out request.

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

[Answered] Which of the following components may have failed if a large amount of frost is present on the evaporator coil? A. Defrost timer, liquid line solenoid, or space thermostat B. Condenser fan motor, compressor contactor, or defrost heater C. Defrost timer, defrost heater, or defrost thermostat D. Defrost thermostat, compressor motor, or oil regulator