01/08/21

How to find the equation of a parabola in standard form as well as the ordered pair for the focus point and the equation of the directrix
The vertex of the parabola is (-7.99,5) and a point on it is (-9,4) and it opens downward...and that's all I know
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01/07/21

Convert the equation f(t)=130(0.93)^t to the form f(t)=ae^kt
Convert the equation f(t)=130(0.93)t to the form f(t)=aekt
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01/05/21

Given the points below, write the quadratic function that contains all 3.
(-2, -6), (0, 6), (2, 2)(2, 6), (1, 1), (-2, -2)(-2, 7), (-1, 3), (3, 7)(1, 0), (2, 4), (0, 2)(2, -4), (3, -7), (1, -3)
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01/05/21

y=18.47x - 2.96 / .24x+1 ,x> 0

In photosynthesis, the amount of CO2 uptake (in milligrams per square decimeter per our) at optimal temperatures and with the natural supply of CO2 is approximated by y=18.47x - 2.96 / .24x+1 ... more
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01/05/21

Write the cubic polynomial function f(x) in expanded form with zeros −4, −2, and 2, given that f(−1)=−27 .

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12/31/20

I need some assistance
For what value of k, if any is ∫0 ∞ kxe -2x dx = 1?A. 1/4B 1C. 4D. There is no such value of k
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12/31/20

help needed with calculus question
The graph of the continuous function g is shown above for −3≤x≤5 . The function g is twice differentiable except at x=1Graph:http://prnt.sc/wdcalqLet f be the function with f(1)=3 and... more
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12/26/20

circle drawn passing through one vertex A with center at vertex C of the square ABCD. The angle subtended by chord containing points B and D, at extremity of diameter opposite to extremity of chord
this is original wording of question.
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12/25/20

https://brilliant.org/problems/integration-grandmaster-p15/?ref_id=1606992
The question is the first question in the link. I can't find the answer and explain STEP BY STEP! Thank you bai!
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12/19/20

suppose f(x)=h(g(x)k(x)). if g(1)=6, k(1)=0, h(1)=-7, g'(1)=2, k'(1)=-6, h'(1)=2, and h'(0)=6, find f'(1).
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12/18/20

I need help with Precalculus

A new car is purchased for 18000 dollars. The value of the car depreciates at 7% per year. To the nearest tenth of a year, how long will it be until the value of the car is 8500 dollars?
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12/16/20

Please I need help with the calculus question below
If h(x) = f^2(x) - g^2(x), f'(x) = -g(x) and g'(x) = f(x), then h'(x) is?From the following choose the correct answer to the question above:A: 0B: 1C: -4f(x)g(x)D: (-g(x))^2 - (f(x))^2
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12/15/20

need help with this calculus problem
Find a linearization of the function f(x) = 3√( 1−x) at a = 0.cuberoot√ (1−x) =?
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12/15/20

How fast is the height of the pile increasing when the pile is 24 feet high?
Gravel is being dumped from a conveyor belt at a rate of 30 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is... more
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12/15/20

What is the answer to this?
Find two numbers such that one number is 1/2 more than 1/4 the other number and the sum of the numbers is 9 . What is the value of the smaller number?
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12/15/20

Find the limit of the rational function ​
Find the limit of the rational function ​(a) as x→∞ and​ (b) as x→−∞.lim (5x8+2x3-1 / 2x6-9x+2)
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12/15/20

Question is down below
Suppose that the DERIVATIVE of  is given by: f′(x)=(x+7)(9−x)(x−13)The first inflection point (from the left) for f(x) occurs at x= The second inflection point (from the left) for f(x) occurs at x=
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12/14/20

Explain how to find the volume of the solid from rotating the region between the graph, and the x axis about the x axis, over the interval. (description)
Find the volume of the solid that results from rotating the region between the graphs of y=7(sqrt 36-x^2) and the x-axis about the x-axis, over the interval 0<x<6. Write the exact answer. Do... more
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12/14/20

Area of a Plane Region
Consider the region bounded by the curves y = √x, x = 4 and the x − axis. Set upthe integrals that will give the area of the region and then solve it using:1. vertical strips2. horizontal strips
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12/13/20

For what value of a is the following function continuous at every​ x?
For what value of a is the following function continuous at every​ x?f(x)= x2-36 x<12 ax x≥12
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12/12/20

Let q(x)=2x^3-3x^2-10x+25. Show q(-5/2)=0 and find the other roots of q(x)=0
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12/11/20

finding the point on a line which is closest to given point

Find the point on the line 3x+2y-6=0 which is closest to the point (2,-1)so far i have both y=2/3x-7/3 and y=-3/2x+3 but don't know how to proceed please help
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12/11/20

What is the largest area rectangle that can be inscribed within the region enclosed by the curve 𝑦=24−2𝑥^2 and the x-axis?
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12/11/20

Find f. f '(t) = 2 cos(t) + sec^2(t), −𝜋/2 < t < 𝜋/2, f(𝜋/3) = 2
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12/10/20

Hyperbolic function
Find the numerical value of the expression: cosh^-1 (3)=please help
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