College Algebra Quiz 9

# College Algebra Quiz 9 - in a spring varies directly with...

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f, ?P t45 Quiz 9 3.7 3.8 09 Sec--P o4- l.Solve the inequality indicated using a number line and the behavior of the graph at each zero. Write all answers in interval notation. + / -t dtnn jR -t I -z a.) (x - l)3(* + 2)2(x- 3) s o futuio.Ra \ t -L t3 ^) < hP L.<- frLa^q O- c hc'*g'& b.) x-4 >0 x+1 Che 5Q { (-r >: -L.r\ -- -l FCz), ?-9 -- "x t: k: d, ffi/ 2. Find the domain (*) = d 1xZ - 6x + 9) r'--6r +q > 6 (/-3)- ( t"Z ) f r., ?) / {*^,.r^ t IR c). (- er -.> / 3.. Write the variation equation for each statement. a.) Potential
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Unformatted text preview: in a spring varies directly with the Eglqlg-of the current. ! ; k * d ?t . kT1 b.) The force of gravity varies inversely as the scjuare of the distance between objects. , v,-(i\ g=^,(*r\t 4. If n varies directly with m squared and n :24.75 when m:30, find n when m:40' .L V\ '. l< {t^ ,T 14 7,2 : u (3a) ,e*1- t? ._ \r l)v, { 1()1 ,1 '* .ol-? n -. .o zg ( 4o)-?( , Pl-l{a*r;t E t*-t:}l t' : C.on S.r"- * T e Cctrre*1f-7;+ cOur.J+"(*qt' J ;r-lo-^ c*...
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