10/21/20

Algebra Functions

If f(x)= - x2 +6x - 1 and g(x)=3x2 - 4x -1, find (f-g)(x) how do I solve this?
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10/21/20

i need help with this and iv'e tried and tried and still don't understand. can you please help me
One spring day, London noted the time of day and the temperature, in degrees Fahrenheit. Her findings are as follows: At 6 a.m., the temperature was 58° F. For the next 2 hours, the temperature... more
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10/21/20

How do i determine an equation for the perpendicular bisector of the line segment joining A(3,6) and B(-1,2)?
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10/21/20

Trying to find unit rate
kenny reads 5/8 pages in 2/3 minutes what is the unit rate ?
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10/21/20

Find the x intercept of the tangent line to y = ln (x) with slope 46. Give your answer to 2 decimal places.
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10/21/20

Physics, consider two vectors
Consider two vectors F~ 1 and F~ 2 with magnitude F1 = 80 N and F2 = 76 N and where θ1 = 275 ◦ and θ2 = 203 ◦ . The angles are measured from the positive x axis with the counter-clockwise angular... more
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10/21/20

three times the sum of a number and 4 is 9
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10/21/20

M is the midpoint of line segment RS. RM= x+3 and MS =2x-1 What does x equal, and what does RM equal?
Please help, this is my geometry homework and i would appreciate the help. Show work and the answer please
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10/20/20

Equations of Lines: Point - Slope and Standard Form
A line passes through the point (4,-9) and has a slope of 5/4. Write an equation in point - slope form for this line.
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10/20/20

A newborn child receives a ​$5,000 gift toward a college education from her grandparents. How much will the $5,000 be worth in 19 years if it is invested at 5.3​% compounded​ quarterly?

A newborn child receives a ​$5,000 gift toward a college education from her grandparents. How much will the $5,000 be worth in 19 years if it is invested at 5.3​% compounded​ quarterly?
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10/20/20

A water balloon cannon is fired at 30m/s at an angle of 50∘ above the horizontal. How far away will it fall?
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10/19/20

What is the constant of proportionality in the equation y = 2 x y=2xy, equals, 2, x?
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10/19/20

Solve the system of inequalities using shading
y=> 2x^2+2x-3y=< 1/3x+6Graph inequalities and solve by shading.
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10/18/20

What is wrong in this solution?
My teacher asks us what is wrong in the following solution:log3(x - 1)2=22log3(x - 1) = 2log3(x - 1) = 1x - 1 = 31 = 3x = 4
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10/18/20

Explain the graph of a function
Consider this function 92x-1 = 27. Using graphs of exponents, give a graphical interpretation of what it means to find the x values which satisfy the equation above.
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10/18/20

What is the force of air resistance acting on the sky diver, in Newtons?

An 80-kg sky diver jumps from an airplane. After 8 seconds, his speed is increasing at a rate of 3.2 m/s2. What is the force of air resistance acting on the sky diver, in Newtons? (Express your... more
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10/17/20

Consider the function f(x)=7-4x2 on the interval [-2,7].
Consider the function f(x)=7-4x2 on the interval [-2,7].(A) Find the average or mean slope of the function on this interval, i.e.(f(7)+f(-2))/(7-(-2))=(B) By the Mean Value Theorem, we know there... more
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10/17/20

Derivatives of the following...
Find d^2/dx^21. sinx + x^2y = 7; (2,1)2. cos(x-y)^2 + siny = sqrt(2); ((pi/2),(pi/4))3. (x^2 + y^2)^2 + 25/4xy^2; (1,2)
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10/16/20

Find  for the following function.
Find as limit as h approaches to 0 f(x+h)−f(x)/h for the following function. f(x)=4x^2-x
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10/16/20

Find the mathematical model for the following statement. Remember to use k as the constant of proportionality
c varies directly as the cube of a and inversely to the 4th power of b.
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10/16/20

Help with math please
If g(x)=2ln(x+1) and f is a differentiable function of x, what is equivalent to the derivative of f(g(x)) with respect to x?let f be a differentiable function. if h(x) = (2+f(sinx))^3, what's a... more
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10/16/20

Calculus Question
If  and , what is ?
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10/15/20

Help please!!!!
In August 2001, there were approximately 2 million people living in Apple City. In August 2011, that population grew to 6 million people. How many more people lived in Apple City in 2011 in... more
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10/15/20

Solve the Polynomial equation.

Use the Rational Zero Theorem, Descartes's Rule of​ Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first root. x^4-4x^3-57x^2-62x-10=0
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10/13/20

In the description
A plane flying horizontally at an altitude of 2 mi and a speed of 410 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when... more
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