06/16/20

please HELP me with this work
Find the values of α and β such that the function f(x) = ( α cos x + 2 if x < 0 βe^3x + αx^2 if x ≥ 0 is continuous on the interval (−∞,∞). (b)For which values of α and β is the function f(x)... more
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06/15/20

Find the last 3 terms in the expansion of (3𝑥 + 𝑥2)5 . Simplify your answer.
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06/15/20

sketch a qualitatively accurate graphs of the first derivative f'(x) and the second derivative f''(x) from the graphs of f(x).
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06/15/20

Polynomial practice help!!!!
The average retail price of gas in America from 1979 to 2008 can be modeled by the functionP (x) = 0.008x3 - 0.307x2 + 4.38x + 25.72Where P is the price of gas in cents per litre and x is the... more
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06/15/20

form a polynomial whose zeros and degree are given. ​Zeros: negative 5 comma negative 4 comma negative 3 comma negative 2​; degree 4
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06/13/20

Question about the calculus
Use the graph of the function f to decide whether the value of the given quantity exists. If it does, find it. If it does not, enter DNE. (a) (b) (c) (d)
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06/13/20

Urgent Help - Calculus Graph
How would a function, f, be sketched with the following properties?f(-1)=0, f(0)=2. f ‘(x) > 0 on (-∞, -2) ∪ (-2, 3), f ‘(x) < 0 on (3, ∞).f “(x) > 0 on (-∞, -2) ∪ (0, 3) ∪ (3,∞), f “(x)... more
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06/12/20

Writing in mathematics

what temperature would you predict for the opposite end of the rod after 1 minute, 5 minutes, 9 minutes, 17 minutes. Also write about how many minutes you would predict that the temperature would... more
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06/12/20

PLease help me with the answer please

The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass.Starting with 210 grams of a radioactive isotope, how much will be... more
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06/12/20

How would I answer each part of this question?

The quantity 𝑄(𝑡) of a medication in the bloodstream in milligrams since the time t in hoursit was administered is given by the formula 𝑄(𝑡) = 30𝑡𝑒-.25t.a.) What is the amount in the bloodstream... more
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06/11/20

Does kinetic friction oppose the contact point of a pure rolling object while its accelerating from zero velocity back to its original velocity? ?

When an object is pure rolling and has a contact point with zero velocity does that mean inorder for the contact point to accelerate to its original velocity it has to expierence kinetic friction... more
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06/11/20

Graph one cycle of a sine function that has an amplitude of 3, has been reflected over the x axis, has period of pi/4, and a midline still y= -2.
Write the equation of the sine function you graphed belowI know you can’t show graphs on here but can someone explain to me how I would graph this? I’m mostly stuck on the period part.
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06/10/20

Geometry- What is center-point?

This is the question: Given PQ with P(–2, 2) and Q(4, 4) is rotated 90 degrees counterclockwise with a center of rotation at A(2, –1), graph and list the coordinates of P'Q' .What are the new... more
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06/10/20

equation of parabola if axis of symmetry x=-2; passes through (0,7)&(-3,-2)
we have to determine an equation with only the given information:- axis of symmetry is x = -2- passes through point (0,7)- passes through point (-3,-2)
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06/09/20

Power - Physics Question
An elevator motor provides 45.0 kW of power while lifting an elevator 35.0 m. If the elevator contains seven passengers each with an average mass of 70.0 kg and it takes 20.0 s to accomplish this... more
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06/09/20

Power and Heat in Physics
A 72.0 kg student walks up a 15° inclined 3.70 m ramp in 5.50 s. What will be the students power output?
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06/09/20

Calculus 2 Parametric Curve
A parametric curve is defined by x = 2cos^2t - 1 and y = sint + 1 for 0<=t<=3pi/2(a) Determine the domain and range of the curve on the given interval.(b) Eliminate the parameter t to find... more
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06/09/20

What’s the answer

What is the midpoint of the line segment between points (0,3) and (3,0) in the standard (x,y) coordinate plane?
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06/09/20

How would a graph, f, be sketched with the following properties?
f(-1)=0, f(0)=2. f ‘(x) > 0 on (-∞, -2) ∪ (-2, 3), f ‘(x) < 0 on (3, ∞).
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06/09/20

Consider the function f(x)=x3+x+1 f ( x ) = x 3 + x + 1 Find the value (f−1)′(3) ( f − 1 ) ′ ( 3 ) Note that f(1) = 3.
Consider the functionf(x)=x^3+x+1Find the value (f^-1)’(3)Note f(1)=3
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06/09/20

I Need Helpppppppppppppppppppp urgent I HAVE A QUIZ TOMORROW

Find the quotient of 6x^3-24x^2-9x/3x three different ways:By FactoringBy using Long Division By using the Distributive Property
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06/08/20

A rolling ball moves from x_1= 8.4 cm to x_2 = -4.0 cm during the time from t1 = 3.8 s to t_2 = 6.7 s - what is its average velocity over this time interval?
PLS ANSEWR WITHIN 10 MINUTES PLEASE
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06/08/20

Why does this graph appear as it does ?
After graphing x = et , y = e2t , why does it appear as it does ?
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06/08/20

Math help please!!!!!
Find the circumference of each circle, use 3.14 for . Include units and round to the nearest tenth. Show work. 7.The circumference of a circle is 34.54 cm. What is the diameter and radius of the... more
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06/08/20

Find (dy)/(dx) using the limit formula. Show all work. f(x) = sqrt(x + 2)
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