Answers created by Alexander L.
 Back to user's profile

Please help solve this, I can't come up with a solution. The question is to find f? Given #f:(0,+oo)>RR# with #f(x/e)<=lnx<=f(x)1 , x in (0,+oo)#

After a system is added 40J heat, the system does 30J work. How do you find the change of the system’s internal energy?

Question #483c3

What do lattice theorists do?

Question #bd5cc

Question #5fabf

How do you determine whether the sequence #3, 5/2, 2, 3/2, 1,...# is arithmetic and if it is, what is the common difference?

What instrument does an astronomer use to determine the spectrum of a star? Why is using this instrument better than using only a telescope to view the spectrum?

What general trend is found in Period 3 as the elements are considered in order of increasing atomic number?

How often is current reversed in the loops of a simple DC electric motor?

Evaluate the limit of the indeterminate quotient?

Question #aa46e

How do you find all the factors of 28?

How do you differentiate #f(x)=csc^3(2x)#?

How do you graph #y=(x^22x)/(2x+3)# using asymptotes, intercepts, end behavior?

For what values of x, if any, does #f(x) = 1/((x3)(x2)) # have vertical asymptotes?

How do you solve using the completing the square method #x^2+10x4=0#?

Question #a20f5

How do you find the domain and range of #p(x)=x^22x+10#?

What type of technology might be used to build a lowcarbon economy?

What is # <1, 4, 2 >  < 2 , 7, 3 > #?

Triangle A has an area of #24 # and two sides of lengths #8 # and #15 #. Triangle B is similar to triangle A and has a side with a length of #12 #. What are the maximum and minimum possible areas of triangle B?

Question #376ba

Is "world" a countable noun?

If #f(x)= cos 4 x # and #g(x) = 3x #, how do you differentiate #f(g(x)) # using the chain rule?

Why do people and animals breath heavily after running a race?

Question #2eecb

An electrically powered pump is used to pull water out of a well. In the
course of an afternoon, the pump does 8.3 kJ of work lifting water out of a well?

How do you use the definition of a derivative to find the derivative of #f(x) =e^x#?

How do you differentiate #f(x) = ln(sqrt(arcsin(e^(2x)) ) # using the chain rule?

Question #619bf

Question #1fa6c

How does beta decay work?

Question #d3a53

What is the kinetic energy of an object with a mass of # 5 kg# that has been in freefall for # 4 s#?

How does pollution of the oceans affect the world?

Is beta decay continuous?

What is the projection of #<4,9,1 ># onto #<1,7,2 >#?

Question #e23ab

Question #3f817

How do you find #abs( 1isqrt3 )#?

A container with a volume of #25 L# contains a gas with a temperature of #150^o K#. If the temperature of the gas changes to #320 ^o K# without any change in pressure, what must the container's new volume be?

How do you solve #2e^(12x) = 18#?

How do you find the definite integral for: #xcos(5x^2) dx# for the intervals #[0,4sqrtpi]#?

What is the gravitational potential energy of a # 36 kg# object on a shelf # 7/8 m # high?

How much power is needed to accelerate an object with a mass of #4 kg# and a velocity of #8 m/s# at a rate of #2 m/s^2#?

How do you implicitly differentiate # y(3yx)^21/y^2=x^3 + y^3 xy#?

Is 199 a prime number?

Question #86099

How would a black hole affect earth?

Why is the earth tilted? How does this tilt effect our seasons?

What is #f(x) = int 1/(x3)x/(x2) dx# if #f(1)=6 #?

Question #cb6b8

What is sound energy?

Question #849c4

What two things does gravitational potential energy depend on?

Question #f1260

Is #f(x)=(x3)(x+3)(x2)# increasing or decreasing at #x=3#?

How do you find the conjugate of the complex number #5 + 3i#?

The figure shows three forces applied to a trunk that moves leftward by 3.34 m over a frictionless floor. The force magnitudes are F1 = 5.39 N, F2 = 8.74 N, and F3 = 2.52 N, and the indicated angle is θ = 60°. ?

What is the angular momentum of a gyroscope that is a solid cylinder with a radius of .24 m, a mass of 15 kg and a angular velocity of 140 rad/sec?

Question #369d9

Question #e4aa1

How do you find the amplitude and period of #y=0.5cos2pix#?

How do you graph and find the discontinuities of #(x^21)/(x^2+4)#?

How do you solve this quadratic equation using the square root property #(x+6)^2 = 121#?

How do you solve #cos 2x sin^2 (x/2) + 3/4 = 0#?

What nuclear decay can be stopped by aluminum?

Question #9f171

Question #f3570

How do you solve # 11 ^n − 8 − 5 = 54 #?

What is the domain and range of #f(x)= x^2  6x + 8#?

How do you factor #18x^227x+4#?

What are polar coordinates used for in real life?

How do you find the average rate of change for the function #f(x) = x^3 − 3x^2# on the indicated intervals [0,10]?

How do you graph #x= 3(y5)^2 +2#?

Why is angular momentum perpendicular?

Question #f4a49

Question #f538f

Question #90a50

How can vectors be represented?

What is the Rutherford's atomic model?

A cyclist increases his kinetic energy from 11
00 J to 5 200 J in 12 s. How can I calculate his power output during this time?

Question #8f009

Question #219fc

What is kinetic energy?

Is resistance the same as impedance in an RC circuit?

Question #b6edb

How does alternating current transfer energy?

Question #6f1d7