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Question 362554: Hey, I am hoping someone could help me out. I am completely stumped on this problem I have to do for my homework. If you are a expert in this area, could you possibly show me the steps to solve the equation? I appreciate it!
Section 11.3, #7
Directions: Find the range of the quadratic function
f(x)=x^2+3 (should be x squared)
answer shown in my book is: {y/y ≥3} I have no idea how to get to this, please help!
Click here to see answer by Fombitz(13828)

Question 362444: solve: 15x-15>x+35
True or False?
2 x -3 > 3 x -3
2 x -3 < 3 x -3

Click here to see answer by ghali0079(12)

Question 362564: A friend of mine told me that if you need help with algebra this was the website to submit your question. I am confused on what steps to take the get the final answer. If someone could be so kind as to show me what to do, I would be appreciate it. I know it's time consuming, but could you please work the problem in all vital steps (maybe with some direction) so I know how to complete the next series that I have to do for my assignment?
11.4, #9
Directions: Solve the equation by making an appropriate substitution.
x^(-2)+〖8x〗^(-1)=-10 (should be x - squared, and 8x to -1 power)

Click here to see answer by Alan3354(30983)

Question 362560: Happy Wednesday all,
I would like to request some help with the problem I have listed below. If you could show me all the steps, so that I know how you found the final answer, that would be great! I am at a loss, and confused too.
Section 11.4, #3
Directions: Solve the equation by making an appropriate substitution.

x-512-16√(x ) =0
answer in the book is= 1024 could you help me work it out? thanks!

Click here to see answer by HasanSahin(52)

Question 362624: the height of an object,h(t), is determined by the formula h(t)=-16t^2+256T, where t is time, in seconds. Which statement about the object is true?
Click here to see answer by Fombitz(13828)

Question 362659: -14=6x-8(x+3)

Click here to see answer by rfer(12647)

Question 362780: 2x^2-3x-3=0
Click here to see answer by Manny Pacquiao(82)

Question 362800: What are the solutions for the equation: (sqroot 800) Can you show me the steps please? Thank you
Click here to see answer by Manny Pacquiao(82)

Question 362811: Good evening, I'm having trouble determining how to find the x-intercepts
Click here to see answer by Manny Pacquiao(82)

Question 362971: Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.
f(x) = -x2 - 3x - 8
Click here to see answer by robertb(4012)

Question 362974: Solve the system of equations by substitution.
5X-2Y=-1
X+4Y=35
Click here to see answer by mananth(12270)

Question 362973: The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: What rainfall produces the maximum number of mosquitoes?
Click here to see answer by robertb(4012)

Question 362972: Solve the system of equations by elimination.

2x+12y=-50
10x+3y=35
please help
Click here to see answer by mananth(12270)

Question 362977: Solve the system of equations. If the system has no solution, say that it is inconsistent.

x+y=7
x+y=8
Click here to see answer by Fombitz(13828)

Question 362938: Create the quadratic equation in the form y=ax^2+bx+c using the point (0,4)as one point and the point (4,-5) as the vertex. Enter the a,b,c values as common factors in reduced form.
Click here to see answer by Fombitz(13828)

Question 362978: Solve the system of equations.

x-y+z=-8
x+y+z=-6
x+y-z=4
Click here to see answer by vasumathi(46)

Question 362893: mary works due north from home.her husband ben works due east.they leave from work at the same time. by the time mary is 5 miles from home the distance between them is one mile more than ben distance from home. how far is ben? __ miles ??
Click here to see answer by mananth(12270)

Question 363073: If a pro basketball player has a vertical leap of 20in, what is his hang time V=48t^2. Please help
Click here to see answer by ewatrrr(10682)

Question 363071: Jack mows his lawn in 5hrs and Marilyn mows the same lawn in 6hrs how much time would it take if they did it together.Shelly
Click here to see answer by ewatrrr(10682)

Question 363172: Let G(x)=(x^2)/(x^2+4) and suppose that we write G(x)=f(h(x)), with h(x)=x^2.
Then f(x)=Ax/(x+B),where
A=______ B=_______
Click here to see answer by Fombitz(13828)

Question 363145: a2-16=0
Click here to see answer by Fombitz(13828)

Question 363193: f(x)=-30t^2+120t+0 how would you explain when f(x)=60
Click here to see answer by Fombitz(13828)

Question 363208: Let G(x)=(2+x^(1/3))^8 and suppose that we write G(x)=f(g(h(x))) with h(x)=x^(1/3), g(x)=A+x and f(x)=x^B
A=_____________ B=______________
Click here to see answer by stanbon(57246)

Question 363224: Solve
2x^2+8x-12=0
Click here to see answer by Fombitz(13828)

Question 363276: A carpenter is building a rectangular room with a fixed perimeter of 344ft. What dimensions would yield the maximum area? What is the maximum area?
The length that would yeild the maximum area is ? ft
The width that would yield the maximum area is ? ft
the maximum area is ? sq ft.
i am confused on the steps
i know that i would use a=lw formula.
help please.
Click here to see answer by edjones(7569)

Question 363301: s^2=169
Click here to see answer by rfer(12647)

Question 363309: x^2=84

Click here to see answer by rfer(12647)

Question 363466: (a - 1)^1/3 = -3
Click here to see answer by mananth(12270)

Question 363499: write the expression in quadratic form. 3x^24+4x^12+7
Click here to see answer by Fombitz(13828)

Question 363495: write the following quadratic function in the vertex form. then, identify the axis of symmetry and vertex: y=3x^2-6x+1
Click here to see answer by Fombitz(13828)

Question 363513: y = 4 – 2x ?A.
x-intercept = 4; y-intercept = -2
B.
x-intercept = -2; y-intercept = 4
C.
x-intercept = 2; y-intercept = 4
D.
x-intercept = 4; y-intercept = 2
Click here to see answer by ewatrrr(10682)

Question 363552: when you have x+4x=0 can you move the 4x ?? example x+4x=0-4x
Click here to see answer by ewatrrr(10682)

Question 363564: a woodland jumping mouse hops along a parabolic path given by y=-0.2xsquared +1.3x where x is the mouses horazontal position(in feet) and y is the corasponding hight (in feet). can the mouse jump over a fence that is 3 feet high? explain
Click here to see answer by stanbon(57246)

Question 363607: This problem is in my college algebra for calculus class under quadratic equations. The book gives the answer but not how it is worked out. Can you please help. It says to solve 3y^3-5y^2-2y=0
Click here to see answer by edjones(7569)

Question 363624: Solve
5x^2-2x+1=0
Click here to see answer by Fombitz(13828)

Question 363678: Need help with the problem below
Aki's Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x)=0.1x^2-1.9x + 9.739, where C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the average cost per bicycle?
Click here to see answer by ankor@dixie-net.com(15638)

Question 363670: 89 miles at a certain speed. the canoist travels 12 miles on the second part of the trip 5 mph slower.the total time for trip was 4 hours
What was the speed on the first part of the trip
Click here to see answer by ankor@dixie-net.com(15638)

Question 363732: Can I please get help factoring this Quadratic Equation into two binomials:
-16x^2+40x+25 . Any help is much appreciated!
Click here to see answer by stanbon(57246)

Question 363737: Help with HW
the number of tickets sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x +15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
Click here to see answer by stanbon(57246)

Question 363129: Create the quadratic equation in the form y=ax^2+bx+c using the point (0,2) as one point and the point (9,-8) as the vertex. Enter the a,b, and c values as common fractions in reduced form.
Click here to see answer by scott8148(6628)

Question 363840: x2-7=0
x(square)
Click here to see answer by ewatrrr(10682)

Question 363758: The width of a rectangle is 1 ft less than the length. the area is 2 ft^2. Find the length and the width.
Click here to see answer by checkley77(12569)

Question 363869: 3x^2-4x-4=0
Click here to see answer by stanbon(57246)

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