02/20/22

what is the interval notation for this?
(-∞,-1) u (-1,1) u (1,∞),{x|x ≠1,-1}i need help setting the notations for these intervals please!
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02/20/22

Nonlinear Functions

In the xy-plane, the graph of y=−2x2+9x intersects the graph of y=x at the points (0,0) and (c,c). What is the value of c?
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02/20/22

Given a graph of the antiderivative F(x) of function f(x), how do I find f(x)=0 in some interval?
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02/19/22

lim h -> 0 ((-3 + h)^2 - 9) / h
how do you get -1 instead of zero?
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02/19/22

I need to know the detailed solution+explanation of this problem

The fifth term in the expansion of (ax+by)^n is 560x^3y^4. Find the values of a and b, given that a and b are integers. The solution book says that the binomial coefficient is 7 choose 4 which is... more
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02/19/22

An apple orchard now has 60 trees planted per hectare and the average yield is 500 apples per tree.
An apple orchard now has 60 trees planted per hectare and the average yield is 500 apples per tree. For each additional tree planted per hectare, the average yield per tree is reduced by... more
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02/19/22

A line passes through the points (–17, –11) and (12, 18). What is its equation in slope-intercept form?
needs to be in slope-intercept form
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02/19/22

Triangles and Polygons

A designer is creating a rectangular travel board game. The width of the board is to be 9 inches shorter than the length. If the surface area of the board will be 112 square inches, what will be... more
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02/19/22

Angles in a unit circle word problem (2)
In Grade 10 Mathematics, you learned already that the radian measure of a central angle of a circle can be used to easily find the length of the intercepted arc of the circle. The length s of an... more
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02/19/22

the line that passes through the points (-2,5) and (-7,1)
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02/19/22

Question related with percents
A total of 650 toys were made during 6 months, by how much percent the production was greater if it was intended that during 3 months there will made 90 toys.How to solve problems like this?
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02/19/22

A freight train travels at 30 mph. If the freight train is 300 miles ahead of an express train traveling at 55 mph, how long will the express train take to overtake the freight train?
Which equation could be used to find the number of miles the trains will travel?30x = 55(x + 300)x÷30 = (x - 300)÷55x÷30 = (x + 300)÷55
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02/18/22

julio has $150. each week he saves an additonal $10. write a function f(x) that models the total amount of money julio has after x weeks.
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02/18/22

Combined triangles

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02/18/22

lim h -> 0 ((-3 + h)^3 - 9) / h
how is the answer -1 and not zero? what do I do before plugging in the zero so that I would get -1?
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02/18/22

What is the answer to this problem
Your friend has seven sweatshirts. Two sweatshirts are green, two are white, and three are blue oyu forgot your sweatshirt, so your friend is going to bring one for you as well as one for himself.... more
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02/17/22

Right and graph each inverse variation function Y equals 81X equals four
write and graph each inverse variation function Y =8 x=4y varies inversely as x
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02/17/22

If H(x) = g(f(x)), find H'(1)
f(1) = 3 , f(2) = 1 , f(3) = 7f'(1) = 4 , f'(2) = 5 , f'(3) = 7g(1) = 2 , g(2) = 8 , g(3) = 2g'(1) = 6 , g'(2) = 7 , g'(3) = 9
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02/17/22

If h(x) = f(g(x)), find h'(1)
f(1) = 3 , f(2) = 1 , f(3) = 7f'(1) = 4 , f'(2) = 5 , f'(3) = 7g(1) = 2 , g(2) = 8 , g(3) = 2g'(1) = 6 , g'(2) = 7 , g'(3) = 9
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02/17/22

The line x-2y+22=0 is tangent to a circle at (0,11). The line y=2x+2 is tangent to the same circle at (3,8). Find the center of the circle.
The line x-2y+22=0 is tangent to a circle at (0,11). The line y=2x+2 is tangent to the same circle at (3,8). Find the center of the circle.
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02/17/22

Suppose f(𝜋/3) = 4 and f '(𝜋/3) = −3, and let g(x) = f(x) sin(x) and h(x) = cos(x)/f(x). Find g'(𝜋/3) Find h'(𝜋/3)
Don't know how to do my calc homework pls help.
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02/17/22

Please help me with the answer!!!!!!
Find a cubic polynomial (that is, ) that has horizontal tangents at the points (-2,2) and (4,-4). = ...............Verify your result by plotting the graph of .
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02/16/22

if a5= -16, and d= -5, what's the explicit formula?
I put a5 but I meant a5 lol I didn't know how to type it
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02/15/22

Algebra 2 Honors Factoring Problem
Factor P(x) = x^4-6x^3+14^2-6x+13 into LINEAR factors given that 3+2i is a zero of P(x).
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02/14/22

The graph below shows the height of an object as a function of time. Height, h, is in meters and time, t, is in seconds.
The graph below shows the height of an object as a function of time. Height, h, is in meters and time, t, is in seconds.Use the graph to answer the following questions. Your estimates must be... more
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