02/05/21

If 23+7f(x)+4x2(f(x))3=0 and f(2)=−1, find f′(2). f′(2)
If 23+7f(x)+4x2(f(x))3=0 and f(2)=−1, find f′(2). f′(2)=?
Follows • 0
Expert Answers •1

02/04/21

Suppose that 2 J of work is needed to stretch a spring from its natural length of 34 cm to a length of 52 cm.
How much work is needed to stretch the spring from 39 cm to 47 cm?How far beyond its natural length will a force of 35 N keep the spring stretched?
Follows • 1
Expert Answers •2

02/04/21

Solve for dy/dx given y = csc (sec(x - 8 ∛3x).

Follows • 1
Expert Answers •1

02/03/21

Calculate dy/dx
y=(9x^2+x)(x-x^2)dy/dx=__?
Follows • 1
Expert Answers •1

02/03/21

Calculate dy/dx

y= 2x+5/ 3x-1dy/dx=__?
Follows • 1
Expert Answers •1

02/02/21

Which of the following describes the differences between the graph of f and the graph of the output of f multiplied by 3?

A) The slope changes by a factor of 3; the y-intercept does not change.B) Both the slope and y-intercept change by a factor of 3. C) The slope does not change; the y-intercept changes by a factor... more
Follows • 1
Expert Answers •1

02/02/21

Use the graph of f(t) = 2t + 4 on the interval [-4, 6] to write the function F(x), where f of x equals the integral from 2 to x of f of t dt...
Use the graph of f(t) = 2t + 4 on the interval [-4, 6] to write the function F(x), where   A F(x) = x2 + 6x B F(x) = x2 + 4x - 12 C F(x) = x2 + 4x - 8 D F(x) = x2 + 8x - 20
Follows • 1
Expert Answers •1

01/31/21

Suppose a local vendor charges $2 per hot dog and that the number of hot dogs sold per hour x is given by x(t)=−4t^2+20t+92, where t is the number of hours since 10 AM, 0≤t≤4.
a. Find an expression for the revenue per hour R as a function of x. (SOLVED)b. Find and simplify (R∘x)(t). What does this represent?(SOLVED)c. What is the revenue per hour at noon?(SOLVED)d. If... more
Follows • 1
Expert Answers •1

01/29/21

If u could help me that will be helpful because i'm busy doing homework's so if u could help that will be helpful

Follows • 1
Expert Answers •2

01/29/21

Find the domain

r(s)=2x+squareroot of x2-1
Follows • 1
Expert Answers •2

01/29/21

How many solutions does this have?
x3=-xA) 1B) 2C) 3D) non of the above
Follows • 1
Expert Answers •2

01/26/21

Mathhhhhhhhh :/
a) For what value of a are the graphs of y = 1/3x + 10 and y = ax -15 parallel?b) For what value of a are the graphs of y = 1/3x + 10 and y = ax -15 perpendicular?
Follows • 1
Expert Answers •2

01/26/21

Sketch the graphs of the function by making a table of values.
Follows • 1
Expert Answers •2

01/26/21

Write an equation in point-slope form of the line with the given characteristics. perpendicular to the line y = 2x - 7; passes through (-3,10)
Please show steps of how you got the answer.
Follows • 1
Expert Answers •2

01/25/21

If a>0 and b<0, then |a-b|=a-b
I need help with this proof. I don't know what to do
Follows • 1
Expert Answers •2

01/24/21

Identify all singular points and points of discontinuity of the given function.
20-5x if x≤4 f(x)=x+1 if 4<x<6 x^2-29 if x≥ 6 singular points x=points of discontinuity x=
Follows • 1
Expert Answers •2

01/24/21

Which of the following is true about the real solutions
Which of the following is true about the real solutions for √4-x2 - x +1 = 0a. It has no real solutionsb. It has exactly one real solution c, and c>0c. It has exactly one real solution c, and... more
Follows • 1
Expert Answers •2

01/21/21

Find the value of k if the remainder is -3 when kx^3+8x^2-4x+10 is divided by x+1.
Follows • 1
Expert Answers •2

01/20/21

-x+4y=24 substituted for -2x+y=-8
Follows • 1
Expert Answers •2

01/18/21

I need help solving for all the values in this equation set.
4x + 2y - z = 21-x - 2y + 2z = 133x - 2y + 5z 70x =y =z =
Follows • 1
Expert Answers •2

01/18/21

The diagram shows the curve y=x^2 intersecting the straight line AC (y+x=6) at B. Find
The diagram shows the curve y=x^2 intersecting the straight line AC at B. Finda.     The coordinates of Bb.     The area of the shaded region Pc.     The area of the shaded region Q
Follows • 1
Expert Answers •2

01/17/21

coputer engineering
Find the volume of the solid generated by revolving the region bounded by y = x 2 , y = 0 and x = 2 about the y-axis.
Follows • 1
Expert Answers •3

01/11/21

Solve the following system of linear equations using elimination
Solve the following system of linear equations using elimination−6𝑥 -30y -115z =17x +34y +129z = 3x +5y +19z = -4x=y=z=
Follows • 1
Expert Answers •2

11/10/20

Consider the following information.
Consider the following information. lim x→c f(x)  =  4   lim x→c g(x)  =  7 6 Use the information to evaluate the limits.(a)lim x→c [6f(x)](b)lim x→c [f(x)... more
Follows • 1
Expert Answers •1

01/07/16

find the length of an isosceles triangle with a perimeter of 12 inches if it has the maximum area
 this is an optimization problem for my calculus class. it involved an isosceles triangle and I need the maximum area if the perimeter is 12 inches.  
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.