01/07/20

y = x^2 + 6x - 8, y = 4x + 7 What is the sum of the y value(s) of the solution set?
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01/07/20

Help with calculus please!
If f(x) = 3a|4x – 4| – ax, where a is some constant not equal to zero, find f ′(1).Question options: 1) 0 2)  DNE 3)  not enough information 4)  1
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01/07/20

3(x^2-1)-(x^2-7x+10)
what is this expression equivalent to
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01/07/20

Compare the slopes and y- intercepts of the graphs of the equations in the linear system to determine whether the system has one solution, no solution, or infinitely many solutions.

x = -3y + 28 x + 4y =36 2x + 3y = 11 -4x - 6y = -22
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01/07/20

normal distribution

Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 75 hours. Find the probability that a randomly selected light bulb... more
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01/07/20

how to solve this

2y-4x=8 y=2x-7 solve for one variable substitue that in the other equation substitue that value in one of the original equations
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01/06/20

Write an equation to model each situation and define a variable. The total price is the number of pennies times $0.59. SOLVE IMMEDIATELY!! THANK YOU!!
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01/06/20

Help me please! Calculus - Theorem
Find  Options:
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01/06/20

Help me please! Calculus - Theorem
Evaluate  Options: 0 1 2 None of these
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01/06/20

Help me please! Calculus - Theorem
Given that the antiderivative of  is F(x) = tan-1(x) + C, evaluate Options: π π/2 π/4 0
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01/05/20

Find cot theta/2 if tan theta = -7/24 and 3pi/4 < theta < 2pi.

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01/05/20

Need help of max and min calculus, thank you
What are the critical values on the graph of y = x3 - 12x + 1?Options: x = -2, 0, 2 x = -2, 2 x = -4, 4 x = -3.42, 0, 3.42
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01/05/20

Help with Algebra 2 Please
Alright so the question is If m > 0, the expression 2(sqrt of m) to the power of 3 over the fourth root of m can be rewritten in the form 2m to the power of a, where a is a fraction. what is the... more
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01/05/20

Calculus Problem: Please Help!!
The height of a cylinder with a fixed radius of 10 cm is increasing at the rate of 0.5 cm/min. Find the rate of change of the volume of the cylinder (with respect to time) when the height is... more
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01/04/20

Building a bride out of cardboard, straws and string
​Hey, I have an assignment in my physics class where I have to build a bridge out of: a 20cm x 8cm piece of cardboard, 10 straws, And 3 meters of string. How it works:The bridge will be placed on 2... more
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01/04/20

Help on calculus please!
For  and  , find the simplified form for f [g(x)] and state the domain. 
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01/04/20

Please help: calculus prob
Use the graph below to evaluate  :Choices: 0 2 3 4
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01/03/20

What is the velocity of Tanya's car after the collision?
Bill forgets to put his car in park and it starts rolling west. When it is moving at a speed of 3.5 m/s, it collides with Tanya's car, which is moving at a speed of 2 m/s east. Bill's car bounces... more
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01/03/20

Module calculus problem
Given the position function,  , between t = 0 and t = 15, where s is given in feet and t is measured in seconds, find the interval in seconds where the particle is moving to the... more
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01/03/20

Module calculus problem
Given the position function s(t), s(t) = t2 + 3t + 1, where s is measured in meters and t is in seconds, find the velocity and acceleration of the particle at t = 4 seconds.Options: 11 m/sec; 2... more
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01/02/20

Calculus problem
Determine the slope of the graph of x4 = ln(xy) at the point (1, e)Options: 3e e4 1 4
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01/02/20

Calculus problem
If h(x) = f[g(x)], use the table of values for f, g, f ' and g ' to find the value of h '(1)x f(x) g(x) f '(x) g '(x)1 3 2 2 62 1 8 5 73 ... more
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01/02/20

Calculus problem
Is the following true or false?Options: True False
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01/02/20

Discontinuity for functions
Describe the discontinuity for the function Options: There is a hole at x = -9. There is a vertical asymptote at x = 3. There is a removable discontinuity at x = 3. There is no discontinuity at x =... more
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01/01/20

At a race track, a car of mass 2000 kg crashes into a concrete wall at a speed of 77 m/s.
a. The car crashes into the wall, stopping in 0.08 seconds. What force is applied to the car?b. To make things safer, the race track installs barrels of sand along the wall. They want to reduce... more
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