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Questions in Grade College

[Done] Lance buys a new car for $20,000. The value of the car depreciates by 15% each year. If [tex]f(x)[/tex] represents the value of the car after [tex]x[/tex] years, which function represents the car's value? A. [tex]f(x)=20,000(0.85)^x[/tex] B. [tex]f(x)=20,000(0.15)^x[/tex] C. [tex]f(x)=20,000(1.15)^x[/tex] D. [tex]f(x)=20,000(1.85)^x[/tex]

[Done] What is the solution of $|2 x+7|>27$? A. $x>-17$ or $x<10$ B. $x<-34$ or $x>20$ C. $x<-17$ or $x>10$ D. $x<-10$ or $x>10$

[Done] Which of the following is equivalent to $\left(p^3\right)\left(2 p^2-4 p\right)\left(3 p^2-1\right) ?$ A. $\left(p^3\right)\left(6 p^4-12 p^3-2 p^2+4 p\right)$ B. $\left(p^3\right)\left(6 p^4+4 p\right)$ C. $\left(2 p^6-4 p^3\right)\left(3 p^2-1\right)$ D. $\left(2 p^5-4 p^4\right)\left(3 p^5-p^3\right)$

[Done] For a reader to [BLANK] two or more things, the reader must consider how the things are different.

[Done] Assume that a procedure yields a binomial distribution with a trial repeated [tex]$n$[/tex] times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. Round to three decimal places. [tex]$n=5, x=2, p=0.70$[/tex]

[Done] Add the matrices $\left[\begin{array}{cc} 4 & -1 \\ 4 & 2 \end{array}\right]+\left[\begin{array}{cc} 3 & 0 \\ 1 & 5 \end{array}\right]$

[Done] It's not possible to build a triangle with side lengths of 3, 3, and 9. A. True B. False

[Done] A nurse is monitoring plasma medication levels in a client who is taking theophylline. Which of the following findings should the nurse expect to see if the client's medication level indicates toxicity? A. Seizures B. Constipation C. Normal sinus rhythm D. Somnolence

[Done] What does the ELD exemption do for drivers? A. Provides a way for drivers to log on their ELDs up to 2 weeks following work. B. Exemption from logging hours on an ELD, if all other requirements are met. C. Exemption for short-haul and long-haul drivers from having an ELD in the vehicle during a vehicle inspection. D. Allows them to use a manual log.

[Done] Perform the row operation on the given augmented matrix. [tex]\left[\begin{array}{rrr|r} 1 & 8 & -6 & -6 \\ 4 & 9 & 5 & 7 \\ -2 & 1 & 2 & 9 \end{array}\right] \quad R_2=-4 R_1+R_2[/tex] What is the resultant matrix?