Questions in Grade College

Questions in Grade College

[Free] Why do closed hydronic systems include pressure-relief valves, expansion tanks, and temperature- and pressure-limiting devices? A. Because freezing must be prevented and antifreeze may not be added B. Because water expands and contracts as its temperature changes C. Because building codes require certain controls on every system D. Because the copper piping used in the system requires these measures

[Free] Solve the equation that is in quadratic form. $(x-2)^2-11(x-2)+19=-5$

[Free] For [tex]f(x)=x+2[/tex] and [tex]g(x)=2 x+3[/tex], find the following. a. [tex](f \circ g)(x)[/tex] b. [tex](g \circ f)(x)[/tex] c. [tex](f \circ g)(5)[/tex] a. [tex](f \circ g)(x)=[/tex] (Simplify your answer.)

[Free] When reading and making sense of data, which mathematical construct is normally used? A. Percentages B. Averages C. Decimals D. Fractions

[Free] The BLAST acronym best describes: A. Sequence of Moments in Contact B. Leverage in Contact C. Attitude in Contact D. Force Generation in Contact

[Free] A right triangle has one side that measures 4 in. The angle opposite that side measures 80°. What is the length of the hypotenuse of the triangle? Round to the nearest tenth.

[Free] A population of bacteria is treated with an antibiotic. It is estimated that 5,000 live bacteria existed in the sample before treatment. After each day of treatment, $40 \%$ of the sample remains alive. Which best describes the graph of the function that represents the number of live bacteria after $x$ days of treatment? A. [tex]f(x)=5000(0.4)^x[/tex], with a horizontal asymptote of [tex]y=0[/tex] B. [tex]f(x)=5000(0.6)^x[/tex], with a vertical asymptote of [tex]x=0[/tex] C. [tex]f(x)=5000(1.4)^x[/tex], with a horizontal asymptote of [tex]y=0[/tex] D. [tex]f(x)=5000(1.6)^x[/tex], with a vertical asymptote of [tex]x=0[/tex]

[Free] When [tex]$6 a^2 b^3 \cdot -3 a^5 b^3$[/tex] is multiplied, the product of the coefficients is $\square$

[Free] Select two likely antagonists for lateral rotation of the humerus: A. Pectoralis Major B. Latissimus Dorsi C. Pectoralis Minor D. Deltoid (posterior fibers)

[Free] Who is responsible for ensuring fire safety on a construction site? A. The employer B. The employees C. The fire department D. The equipment suppliers