08/31/20

The graphs of several functions f are shown below. For each function, estimate the slope of the graph of f at various points. From your estimates,sketch ′ graphs of f .
The graphs of several functions f are shown below. For each function, estimate the slope of the graph of f at various points. From your estimates, sketch graphs of f ' .
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08/30/20

Evaluate the function f(h) at the given numbers (correct to six decimal places).
Evaluate the function f(h) at the given numbers (correct to six decimal places). f(h)... more
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08/29/20

I need help, my answer is still incorrect after 7 try’s !
A pycnometer is a glass flask with a tight fitting glass stopper that can be used to determine the density of an insoluble solid by measuring the volume of water eject it out of the pycnometer when... more
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08/29/20

I need help I keep getting the wrong answer !
The volume of 1 unit of plasma is 200.0 mL. If the recommended dosage for adult patients is 10.0 mL per kg of body mass, how many units are needed for a patient with a body mass of 80.0 kg ?
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08/29/20

The graphs of f and g are given. Use them to evaluate each limit, if it exists. (If an answer does not exist, enter DNE.)
The graphs of f and g are given. Use them to evaluate each limit, if it exists. (If an answer does not exist, enter DNE.)(a)    lim x→2 [f(x)... more
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08/29/20

How do i solve this? Should i use limits?
A rectangular box without a lid (as shown below diagram) is to be made from 27 cm2cardboard. Find the maximum volume of such a box.
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08/28/20

Need help on math
The formula for compound interest is A=P(1+r/n)^nt, where P is the principle, r is the yearly interest rate, t is the number of years that the principle is invested, n is the number of compounding... more
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08/28/20

Systems of equations

What is the solution for z in the following system of equations?5x+2y-3z=172x+2y+z=53x+2y=-6
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08/27/20

Need help solving systems of equations with 3 variables.
Tickets for a concert cost $2 for children, $3 for students, and $4 for adults. Ticket sales totaled $522 and 177 people attended the concert. Twice as many students as adults attended. Find how... more
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08/27/20

Julio is paid 1.5 times his hourly rate for each hour he works over 40 hours in a week. Last week he worked 45 hours and earned $641.25. Write and solve an equation to find Julio's normal hourly rate.
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08/27/20

Frequency Distribution

A 6th grade class is given a college-level reading exam. If you were to plot their scores on a frequency graph, what skew do you think it would be?
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08/27/20

f f(x) = x2 + 1 and g(x) = x – 4, which value is equivalent to (f circle g) (10)?
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08/27/20

Frequency Distribution Question
A group of physically fit adults are taking part in a race. If you were to take all their times and plot them on a frequency graph, what skew do you think it would be?
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08/26/20

Transformations of Linear and Absolute Value Functions
f(x) = ∣2x ∣ + 4; horizontal shrink by a factor of 1—2
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08/25/20

Evaluate the function at each specified value of the independent variable and simplify

g(y) = 7 - 3ya) g(0) b) g(7/3) c) g(s+2)
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08/25/20

probability question
The results for a university entrance exam are normally distributed with µ=48 and σ=9. What is the probability that an exam chosen at random will have a score greater than 63, but less than... more
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08/25/20

When you view the pendulum’s swing, it shows that at the very top of the swing KE = 0. What does that tell you about the pendulum’s motion at that point?

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08/25/20

Kathleen bicycled to Julie’s house. It is 10 miles from Kathleen’s house to Julie’s house. It took Kathleen 2 hours to get there. How fast did Kathleen go?
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08/25/20

Function notation

Given g(x)=-2x- 1,find g(-4)
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08/25/20

What values do X and y have if (X)=16,(y)=16 and X and Y are combined they equal 0 explain your reasoning please
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08/24/20

Find the maximum and minimum values of the function for this region
x ≥ -1y ≤ -x + 6f(x,y) = x + 2yI know this problem is unbounded but I get confused how to decide if its min or max.I tried it and got:Min: -1 at (-1,0) is this correct?
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08/24/20

Find the Maximum and minimum value of the function for this region
y ≥ 0x ≥ 0y ≤ -x + 10y ≤ 2x +1f (x,y) = 5x + 2yI have it all graphed out but I'm unsure if I'm supposed to do substitution for using the x ≥ 0 and y ≤ 2x +1 to get that vertical point.
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08/24/20

Which shaoe has a larger area, a rectangle that is 7 inches by 3/4 inch, or a square witg a side length of 2.5 inches
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08/24/20

Find time it takes projectile to land with function
Step 1.) The height h of a projectile launched from ground level is a function of the time t it is in the air. The height in feet for t seconds is given by the function h(t) = −16t2 + 48t. What is... more
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08/24/20

Write the equation for the volume of a box made from an 18" x 20" piece of poster board with a five inch cut from each corner.
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