Questions in Grade College

Questions in Grade College

[Done] For many hotels, including the Grand Hotel Toplice, the price of a room will fluctuate depending on a. the time of day b. the time of year c. the gender of the person d. the nationality of the person

[Done] What is the value of [tex]$x$[/tex] in the equation [tex]$2(x+3)=4(x-1)$[/tex]?

[Done] A number that is divisible by 6 is either divisible by 2 or 3

[Done] Using $f(x)=\log x$, what is the $x$-intercept of $g(x)=\log (x+4)$? Explain your reasoning.

[Done] For an emergency service call, a plumbing company charges a flat fee of $60. Which phrase describes the number of hours the plumbing company was at the service? A. at most 2 hours B. at least 2 hours C. at most 3.5 hours D. at least 3.5 hours

[Done] Solve each quadratic function using the quadratic formula. Remember to get the equation equal to zero if it is not already and to leave the answer in simplest form. a. [tex]$-8 x^2-11 x-2=0$[/tex] b. [tex]$3 x^2+4 x-11=-12$[/tex] c. [tex]$5 x^2+10 x-16=-12$[/tex] d. [tex]$5 x^2-12 x+9=0$[/tex]

[Done] $(7 x+2)^2=16$ The solution set is { }. (Simplify your answers. Type exact answers, using radicals as needed. Use a comma to separate answers as needed.)

[Done] A complete protein has all of the essential amino acids. A) nine B) six C) eight D) four

[Done] If [tex]f(x)=5 x^3-2[/tex] and [tex]g(x)-x+1[/tex], find [tex](f-g)(x)[/tex]. A. [tex]5 x^2-x-1[/tex] B. [tex]5 x^4-2[/tex] C. [tex]5 x^3+1[/tex] D. [tex]5 x^3-x-3[/tex]

[Done] Subtract $(3+2 i)$ from $(-9-8 i)$.