Questions in Grade College

Questions in Grade College

[Done] Consider the function $f(t)=8 \sec ^2(t)-9 t^3$. Let $F(t)$ be the antiderivative of $f(t)$ with $F(0)=0$. Then $F(t)=$ $\square$

[Done] A change in which factor will affect the rate of reaction only when gases are involved? A. temperature B. pressure C. surface area

[Done] What does revising for organization involve? A. Confirming that the conclusion corresponds to the introduction and does not include new material. B. Determining whether the essay maintains a unified tone throughout. C. Identifying whether the essay has exceeded the scope of the assignment. D. Quantifying the number of sentences written in passive-voice construction.

[Done] If cost was not an issue, which would you need to do to determine the most accurate information on body composition? A. MRI B. body mass index C. hydrostatic weighing D. skin fold measurement

[Done] Which statement about the following equation is true? [tex]3 x^2-8 x+5=5 x^2[/tex] A. The discriminant is less than 0, so there are two real roots. B. The discriminant is greater than 0 so there are four real roots. C. The discriminant is less than 0, so there are two complex roots. D. The discriminant is greater than 0, so there are two complex roots.

[Done] Study the products shown. Is there a pattern? [tex]\begin{array}{l} (x+3)^2=x^2+6 x+9 \\ (x+4)^2=x^2+8 x+16 \\ (x+5)^2=x^2+10 x+25 \\ (x+6)^2=x^2+12 x+36 \end{array}[/tex] Each product is in the form [tex]$a x^2+b x+c$[/tex]. Which of the following describes the relationship between [tex]$b$[/tex] and [tex]$c$[/tex]? A. [tex]$c$[/tex] is the square of half of [tex]$b$[/tex]. B. [tex]$c$[/tex] is the square of [tex]$b$[/tex] C. [tex]$c$[/tex] is 1.5 times that of [tex]$b$[/tex].

[Done] Which action exposes workers to fall hazards? A. Overreaching B. Paying attention C. Respecting fall hazards

[Done] Find the surface area for the solid of revolution obtained by rotating $y=e^{2 x}$ around the $x$-axis over the interval $[-1,2]$. Round your answer to the nearest thousandth.

[Done] Two people quit work and begin college at the same time. Their salary and education information is given in the table below. | | Salary prior to school | Years attending college | Total cost of college | Salary upon graduating | | -------- | ----------------------- | ----------------------- | ----------------------- | ---------------------- | | Person A | $18,000 | 3 | $45000 | $33,000 | | Person B | $27,000 | 4 | $30,000 | $37,000 | Choose the true statement. a. Person A recovers their investment in a shorter amount of time. b. Person B recovers their investment in a shorter amount of time. c. They recover their investments in the same amount of time. d. There is too little information to compare the time to recover their investments.

[Done] The branch of dentistry that specializes in the tissue that invests and supports the teeth is called: