09/03/22

I need to determine the appropriate substitution using the new variable u
4x^(-2)-19x^(-1)-5=0
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09/03/22

The revenue function for a sporting goods company is given by R(x)=x⋅p(x) dollars where x is the number of units sold and p(x)=100−0.5x is the unit price. Find the maximum revenue.
The revenue function for a sporting goods company is given by R(x)=x⋅p(x)R(x)=x⋅p(x) dollars where x is the number of units sold and p(x)=100−0.5xp(x)=100−0.5x is the unit price. Find the maximum... more
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09/03/22

Express the statement as an inequality x is strictly between 4 and 6.
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09/02/22

Find the limit of the function as h approaches 0
f(x)= x/(x-2) ; lim h→0 (f(h+3)-f(3))/h
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09/02/22

The denominator of fraction is 2 more than 3 times the numerator.If the numerator is increased by 5 and the denominator is decreased by 8, the resulting fraction is 10/9.What is the original fraction?
With solution Step by stepExplanation
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09/02/22

Consider the following fucntion
g(x) { x^2 + 5 if x < 1 -x + 7 if 1 ≤ x ≤ 4 srt(x) - 2 if x ≥ 4find lim x -> 1+ g(x) find lim x -> 1- g(x)find lim x -> 1 g(x)find lim x -> 4+ g(x) find lim x... more
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09/01/22

Find this difference without actually calculating either of the Riemann sums.
Consider the area of the region bounded above by the graph of f(x) = x2, bounded below by the x-axis, and between the lines x = 3 and x = 5. If a regular partition with 100 subintervals is used,... more
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09/01/22

Derivative Problem
Let f(t)= √2/t3Find f'(t)Find f'(3)
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09/01/22

What is an equation of the line that passes through the points (-5, -8) and (5,4)?
i need to find b
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09/01/22

Angles of 3D figure---Using Vectors
A rectangular box has length 15 inches, width 7 inches, and a height of 16 inches. Find the angle between the diagonal of the box and the diagonal of its base. The angle should be measured in... more
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09/01/22

Finding surface area and constant value of rotated parabolic dish.
An engineer wants to build a parabolic satellite dish. Its shape is formed by rotating the curve y = ax^2 around the y-axis. If the dish must have 4 m of diameter and a maximum depth of 0.5 m, find... more
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09/01/22

Find the product of (5+10i) and its conjugate
Complex numbers
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08/31/22

Finding area of surface of a rotating curve
Find the area of the surface generated by rotating the curve y = cosh x on the interval [0, 1], about the y- axis.
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08/31/22

Sketching curves and finding volume around the y-axis
Sketch the region bounded by the curves e ^(−x) and ln(x) on the interval [e, 2e] and find the volume obtained by rotating the region in part (a) around the y-axis.
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08/31/22

If three times the largest of three consecutive integers is 34 less than 5 times the smallest, then how would you get the answer?
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08/31/22

Finding the volume of a solid around a line.
Find the volume of the solid obtained by rotating the curve y = 1/(1 + x^2) for 1 ≤ x ≤ 4 around the line x = −1. Indicate the method you are using.
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08/30/22

Simplify the difference quotient (f(x + h) − f(x)) / h for the given function. f(x) = 2/x-9
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08/30/22

Find the Domain of the function step by step {√(4-x)+√(3+x)}÷{x^2-1}
Find the Domain of the function step by step {√(4-x)+√(3+x)}÷{x^2-1}
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08/30/22

Let f(x) = square root of x , g(x) = x^2 − 1, and h(x) = 1/x . Find (f ∘ g ∘ h)(x
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08/30/22

I missed my class on this and dont know how to solve
We can write y=sin(u) whereu=___The notation for the chain rule isdy/dx=dy/du*du/dxThe factors aredy/du=___(written as a function of u ) anddu/dx=___(written as a function of x).Now substitute in... more
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08/30/22

Scalars and Vectors
a = <2,3> and b = <1,-5>Show that there are scalars S and T so that:Sa + Tb = <-3,-24>If you could explain how you solve each step, that would be extremely helpful.
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08/29/22

How do you know if 7/8 a terminating or repeating decimal
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08/28/22

How would I do this
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a... more
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08/28/22

How to Estimate the area under the graph of f, the x-axis, and the lines x = −1 and x = 2 using three and six rectangles and a right endpoints, left endpoints and middle enpoints
Let f(x) = 3 + 2x2findr3r6findl3l6find m3m6
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08/27/22

M is the midpoint of LN. If MN = 4x + 6 and LN = 5x + 16, what is LN?
I'm having trouble on this problem on my geometry!
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