Questions in Grade College

Questions in Grade College

[Done] A scientist uses the expression [tex]$\frac{5}{9}(F-32)$[/tex] to convert temperature. What is the temperature, in [tex]${}^{\\circ} F$[/tex], of a substance at [tex]$-25^{\\circ} C$[/tex]? A. -13 B. 18 C. 13 D. -32

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

[Done] 21. $1- x + x ^2- x ^3=$ a) $(1+x)\left(1-x^2\right)$ b) $(1-x)\left(1+x^2\right)$ c) $(1-x)\left(1-x^2\right)$ d) $(1-x)\left(1+x^2\right)$

[Done] Creating structured transitions is an example of a support at which level of the Support Pyramid? A. Targeted B. Environmental C. Foundational D. Intensive

[Done] Which statement describes the domain of the function [tex]$f(x)=\frac{3 x}{4 x^2-4}$[/tex]? A. all real numbers B. all nonzero real numbers C. all real numbers except [tex]$x=\frac{3}{4}$[/tex] D. all real numbers except [tex]$x=-1$[/tex] and [tex]$x=1$[/tex]

[Done] What is the range of the function $y=\sqrt{x+5}$? A. $y \geq-5$ B. $y \geq 0$ C. $y \geq \sqrt{5}$ D. $y \geq 5

[Done] e) $\frac{2}{3}\left(\frac{1}{2}-\frac{6}{5}+\frac{3}{4}\right) \div(-1+0,4+1,5)=$

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

[Done] Which of the following statements is NOT TRUE regarding EV lifting/jacking? A. All Ultium powered vehicles require a jack with an integrated secondary mechanical locking mechanism. B. Suspension contact hoists should be used whenever possible. C. Parking pawl on Ultium vehicles may be in either front or rear electric drive unit. D. Removing the jack opening covers may be required before placing the jack or setting the hoist arms.

[Done] The purpose of solving equations is to solve application problems. True False