Questions in Grade College

Questions in Grade College

[Answered] Simplify $\left[\frac{6}{7}+\frac{3}{8}-\frac{1}{2}\right] \frac{4}{3}$ and find its reciprocal.

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

[Answered] What is $27 n^4+9 n^3$ in factored form?

[Answered] Which table shows a positive correlation? | x | y | |---|---| | 1 | 5 | | 2 | 5 | | 2 | 5 | | 4 | 5 | | 5 | 5 | | x | y | |---|---| | 1 | 10 | | 2 | 18 | | 3 | 31 | | 4 | 37 | | 5 | 52 | | x | y | |---|---| | 1 | 24 | | 2 | 15 | | 3 | 13 | | 4 | 9 | | 5 | 6 | | x | y | |---|---| | 8 | 9 | | 8 | 12 | | 8 | 17 | | 8 | 21 | | 8 | 22 |

[Answered] What does it mean when work is positive? A. Velocity is greater than kinetic energy. B. Kinetic energy is greater than velocity. C. The environment did work on an object. D. An object did work on the environment.

[Answered] Let $g$ be the piecewise defined function shown. $g(x)=\left\{\begin{array}{ll} x+4, & -5 \leq x \leq-1 \\ 2-x, & -1 < x \leq 5 \end{array}\right.$ Evaluate $g$ at different values in its domain. $\begin{array}{l} g(-4)=\square \\ g(-2)=\square \\ g(0)=\square \\ g(3)=\square \\ g(4)=\square \end{array}$

[Answered] A business privacy policy disclosures must be updated: A. Once every 24 months. B. At least once every 12 months. C. Every 5 years. D. Every 12 years.

[Answered] Find the inverse of the given one-to-one function [tex]f[/tex]. Give the domain and the range of [tex]f[/tex] and of [tex]f^{-1}[/tex], and graph both [tex]f[/tex] and [tex]f^{-1}[/tex] on the same set of axes. [tex]f(x)=\frac{x+5}{x-3}[/tex] The inverse function, [tex]f^{-1}(x)=[/tex] [$\square$]. The domain of [tex]f[/tex] is [$\square$]. (Type your answer in interval notation.) The domain of [tex]f^{-1}[/tex] is [$\square$]. (Type your answer in interval notation.) The range of [tex]f[/tex] is [$\square$]. (Type your answer in interval notation.)

[Answered] The equation for the future value of a deposit earning compound interest is [tex]V(t)=P\left(1+\frac{r}{n}\right)[/tex] where [tex]P =[/tex] the initial deposit [tex]t =[/tex] years invested [tex]r =[/tex] rate at which interest is compounded annually [tex]n =[/tex] number of times the interest is compounded per year After 10 years, a $2,000-dollar investment compounded annually has grown to $3600. What is the interest rate to the nearest whole-number percent?

[Answered] Which of the following is or are among the reasons why commercial insurance companies did not issue health insurance policies in the early 1900s? A. All of the other options are correct B. Concern that only those who were sick would seek coverage, while those that were healthy would not C. The companies lacked the means to calculate risks accurately and set appropriate premiums D. Concern that people covered by health insurance seek unnecessary service