477 Answered Questions for the topic Precalculus Homework
09/24/17
Show each step needed to transform y=(x^2-4) to y=-x^2 and label each step with the equation.
Show each step needed to transform y=(x^2-4) to y=-x^2 and label each step with the equation.
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09/24/17
Supposed that f(x)= x^2+2x-8
a) What are the coordinates of the vertex?
b) Find the x-intercepts using algebra.
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09/24/17
For the following function....
f(x)= -x+1 if -1<= (read this as less than or equal to) x<1
f(x)= 2 if x=1
f(x)= x^2. if x>1
a) find f(0)
b) find f(1)
c) find f(2)
d) determine...
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09/24/17
Find the Domain for each function
a) g(x)= x/(x^2-1)
b) h(x)= (3x-12)^1/2
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09/24/17
For the function f(x)= (x+2)/(x-6)
a) Is the point (3,14) on the graph?
b) If x=4, what is f(x)?
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Precalculus Homework
09/24/17
Find the equation of a line perpendicular to the line 2x+y-2=0 and passing thru the point (-3,0) USE the slope intercept form of the equation (y=mx+b)
Find the equation of a line perpendicular to the line 2x+y-2=0 and passing thru the point (-3,0) USE the slope intercept form of the equation (y=mx+b)
09/24/17
find the roots of the polynomial equation 5x^2-6x+9=0, and cube roots of 5x^3-6x+9=0
I tried solving this using quadratic equation but I am unsure if I am following the right path. Thank you
Precalculus Homework Precalculus
09/22/17
The function f(x)=2x+2 is one-to-one. Find an equation for f^-1(x), the inverse function
Type an expression for the inverse. Use integers or fractions for any numbers in the expression
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Precalculus Homework
09/18/17
What is the radius of the inner rim of the wheel?
The inner of the cart wheel has a circumference of 1.7 meters. I need to know the radius.
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Precalculus Homework
09/18/17
each spoke of a wheel is 1 meter long what is the diameter of the centre circular hub?
I need to know the diameter of the center circular hub of the wheel. And each of the spokes that goes form the hub to the inner rim of the wheel is one meter long.
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09/18/17
Find an nth degree polynomial function with real coefficients satisfying the given conditions.
n = 3
-4 and 5 + 5i are zeros
f(-1) = 183
Answer
f(x) = (answer goes here)
(Type an expression using x as the variable. Simplify your answer.)
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Precalculus Homework
09/15/17
A merchant has 5 pounds of mixed nuts that costs $30 he wants to add peanuts that cost $1.50 per pound and cashews that cost 4.50 per pound to obtain 50 pounds
of a mixture that costs 2.90 per pound. How many pounds peanuts are needed?
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Precalculus Homework
09/14/17
f(x) = x^4 -3 :[-2,3] solution and explanation especially what the brackets connote
please explain
09/05/17
Could you ever factor this or is this the final answer? Rational expressions.
I got to the final answer of...
-48x^4 - 42x^3 - 15x^2 -5x / (8x+7)(3x+1)
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07/29/17
find the sum 8+6+4+(8/3)+...
Is this even possible? I cannot find a correlation from a1 to a2 to a3.... so on. It's not Arithmetic or Geometric
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07/19/17
Find just one zero
f(x)=x3-10x2+8x+3
Find just one of the zeros of F
Where does f have a relative maximum
what is the relative maximum value
07/19/17
Given the polynomial p(x) = 2x^4+x^3+10x^2-31x-18
Given the polynomial p
p(x)= 2x4 + x3 + 10x2 - 31x -18
a. using the rational root theorem list all possible rational roots of P.
b. completely factor the polynomial over the set of...
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07/19/17
Math help please answer and thank you with explanation
Roger has the graph of F(x) = −4x 2 but needs to sketch the graph of G(x) =(x+3)^2+2/3 Describe how Roger can use the graph of F(x) to sketch the graph of G(x)
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07/18/17
A function f with real coefficients has the following characteristics
A function f with real coefficients has the following characteristics
degree f= 4
f has a y-intercept of 52
x-2 is a factor of f
-4/3 and 2-3i are both zeros of f
Find f(x) and write...
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07/10/17
We are having a pumpkin carving contest and we are going to give 1st, 2nd, 3rd and 4th place prizes.
We are having a pumpkin carving contest and we are going to give 1st, 2nd, 3rd and 4th place prizes. There are 9 contestants, in how many ways can the prizes be awarded?
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06/24/17
Algebra II HW Questions (Please show step by step and explain)
4. Graph the area bounded by
y< 1/2x+6, X+3y>=12, X>=0 and x<=12
part i. graph the bounded by X>=0 and x<=12. shade the region that satisfies both inequalites
part ii....
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Precalculus Homework Trigonometry
06/21/17
To the nearest foot, the lampost is how many feet tall?
the light from a lamp casts a shadow of a man standing 10 feet away from the lampost. The shadow is 5 feet long. The angle of elevation from the tip of the shadow to the lamp is 50 degrees.
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